1997805312

素因数分解:

$2^8\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{971}}^1$

素因数の和:1059

約数の個数: 216

約数和(自身を含む): 6198716160

約数和(自身を除く): 4200910848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 47, 48, 57, 64, 72, 76, 94, 96, 114, 128, 141, 144, 152, 171, 188, 192, 228, 256, 282, 288, 304, 342, 376, 384, 423, 456, 564, 576, 608, 684, 752, 768, 846, 893, 912, 971, 1128, 1152, 1216, 1368, 1504, 1692, 1786, 1824, 1942, 2256, 2304, 2432, 2679, 2736, 2913, 3008, 3384, 3572, 3648, 3884, 4512, 4864, 5358, 5472, 5826, 6016, 6768, 7144, 7296, 7768, 8037, 8739, 9024, 10716, 10944, 11652, 12032, 13536, 14288, 14592, 15536, 16074, 17478, 18048, 18449, 21432, 21888, 23304, 27072, 28576, 31072, 32148, 34956, 36096, 36898, 42864, 43776, 45637, 46608, 54144, 55347, 57152, 62144, 64296, 69912, 73796, 85728, 91274, 93216, 108288, 110694, 114304, 124288, 128592, 136911, 139824, 147592, 166041, 171456, 182548, 186432, 221388, 228608, 248576, 257184, 273822, 279648, 295184, 332082, 342912, 365096, 372864, 410733, 442776, 514368, 547644, 559296, 590368, 664164, 685824, 730192, 745728, 821466, 867103, 885552, 1028736, 1095288, 1118592, 1180736, 1328328, 1460384, 1642932, 1734206, 1771104, 2057472, 2190576, 2237184, 2361472, 2601309, 2656656, 2920768, 3285864, 3468412, 3542208, 4381152, 4722944, 5202618, 5313312, 5841536, 6571728, 6936824, 7084416, 7803927, 8762304, 10405236, 10626624, 11683072, 13143456, 13873648, 14168832, 15607854, 17524608, 20810472, 21253248, 26286912, 27747296, 31215708, 35049216, 41620944, 42506496, 52573824, 55494592, 62431416, 83241888, 105147648, 110989184, 124862832, 166483776, 221978368, 249725664, 332967552, 499451328, 665935104, 998902656, 1997805312]

約数ペア:

[(1, 1997805312), (2, 998902656), (3, 665935104), (4, 499451328), (6, 332967552), (8, 249725664), (9, 221978368), (12, 166483776), (16, 124862832), (18, 110989184), (19, 105147648), (24, 83241888), (32, 62431416), (36, 55494592), (38, 52573824), (47, 42506496), (48, 41620944), (57, 35049216), (64, 31215708), (72, 27747296), (76, 26286912), (94, 21253248), (96, 20810472), (114, 17524608), (128, 15607854), (141, 14168832), (144, 13873648), (152, 13143456), (171, 11683072), (188, 10626624), (192, 10405236), (228, 8762304), (256, 7803927), (282, 7084416), (288, 6936824), (304, 6571728), (342, 5841536), (376, 5313312), (384, 5202618), (423, 4722944), (456, 4381152), (564, 3542208), (576, 3468412), (608, 3285864), (684, 2920768), (752, 2656656), (768, 2601309), (846, 2361472), (893, 2237184), (912, 2190576), (971, 2057472), (1128, 1771104), (1152, 1734206), (1216, 1642932), (1368, 1460384), (1504, 1328328), (1692, 1180736), (1786, 1118592), (1824, 1095288), (1942, 1028736), (2256, 885552), (2304, 867103), (2432, 821466), (2679, 745728), (2736, 730192), (2913, 685824), (3008, 664164), (3384, 590368), (3572, 559296), (3648, 547644), (3884, 514368), (4512, 442776), (4864, 410733), (5358, 372864), (5472, 365096), (5826, 342912), (6016, 332082), (6768, 295184), (7144, 279648), (7296, 273822), (7768, 257184), (8037, 248576), (8739, 228608), (9024, 221388), (10716, 186432), (10944, 182548), (11652, 171456), (12032, 166041), (13536, 147592), (14288, 139824), (14592, 136911), (15536, 128592), (16074, 124288), (17478, 114304), (18048, 110694), (18449, 108288), (21432, 93216), (21888, 91274), (23304, 85728), (27072, 73796), (28576, 69912), (31072, 64296), (32148, 62144), (34956, 57152), (36096, 55347), (36898, 54144), (42864, 46608), (43776, 45637)]