247289728

素因数分解:

$2^7\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:388

約数の個数: 128

約数和(自身を含む): 603187200

約数和(自身を除く): 355897472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 31, 32, 56, 58, 62, 64, 112, 116, 124, 128, 203, 217, 224, 232, 248, 307, 406, 434, 448, 464, 496, 614, 812, 868, 896, 899, 928, 992, 1228, 1624, 1736, 1798, 1856, 1984, 2149, 2456, 3248, 3472, 3596, 3712, 3968, 4298, 4912, 6293, 6496, 6944, 7192, 8596, 8903, 9517, 9824, 12586, 12992, 13888, 14384, 17192, 17806, 19034, 19648, 25172, 25984, 27776, 28768, 34384, 35612, 38068, 39296, 50344, 57536, 62321, 66619, 68768, 71224, 76136, 100688, 115072, 124642, 133238, 137536, 142448, 152272, 201376, 249284, 266476, 275072, 275993, 284896, 304544, 402752, 498568, 532952, 551986, 569792, 609088, 805504, 997136, 1065904, 1103972, 1139584, 1218176, 1931951, 1994272, 2131808, 2207944, 3863902, 3988544, 4263616, 4415888, 7727804, 7977088, 8527232, 8831776, 15455608, 17663552, 30911216, 35327104, 61822432, 123644864, 247289728]

約数ペア:

[(1, 247289728), (2, 123644864), (4, 61822432), (7, 35327104), (8, 30911216), (14, 17663552), (16, 15455608), (28, 8831776), (29, 8527232), (31, 7977088), (32, 7727804), (56, 4415888), (58, 4263616), (62, 3988544), (64, 3863902), (112, 2207944), (116, 2131808), (124, 1994272), (128, 1931951), (203, 1218176), (217, 1139584), (224, 1103972), (232, 1065904), (248, 997136), (307, 805504), (406, 609088), (434, 569792), (448, 551986), (464, 532952), (496, 498568), (614, 402752), (812, 304544), (868, 284896), (896, 275993), (899, 275072), (928, 266476), (992, 249284), (1228, 201376), (1624, 152272), (1736, 142448), (1798, 137536), (1856, 133238), (1984, 124642), (2149, 115072), (2456, 100688), (3248, 76136), (3472, 71224), (3596, 68768), (3712, 66619), (3968, 62321), (4298, 57536), (4912, 50344), (6293, 39296), (6496, 38068), (6944, 35612), (7192, 34384), (8596, 28768), (8903, 27776), (9517, 25984), (9824, 25172), (12586, 19648), (12992, 19034), (13888, 17806), (14384, 17192)]