251741568

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:480

約数の個数: 128

約数和(自身を含む): 726566400

約数和(自身を除く): 474824832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 211, 239, 312, 384, 416, 422, 478, 624, 633, 717, 832, 844, 956, 1248, 1266, 1434, 1664, 1688, 1912, 2496, 2532, 2743, 2868, 3107, 3376, 3824, 4992, 5064, 5486, 5736, 6214, 6752, 7648, 8229, 9321, 10128, 10972, 11472, 12428, 13504, 15296, 16458, 18642, 20256, 21944, 22944, 24856, 27008, 30592, 32916, 37284, 40512, 43888, 45888, 49712, 50429, 65832, 74568, 81024, 87776, 91776, 99424, 100858, 131664, 149136, 151287, 175552, 198848, 201716, 263328, 298272, 302574, 351104, 397696, 403432, 526656, 596544, 605148, 655577, 806864, 1053312, 1193088, 1210296, 1311154, 1613728, 1966731, 2420592, 2622308, 3227456, 3933462, 4841184, 5244616, 6454912, 7866924, 9682368, 10489232, 15733848, 19364736, 20978464, 31467696, 41956928, 62935392, 83913856, 125870784, 251741568]

約数ペア:

[(1, 251741568), (2, 125870784), (3, 83913856), (4, 62935392), (6, 41956928), (8, 31467696), (12, 20978464), (13, 19364736), (16, 15733848), (24, 10489232), (26, 9682368), (32, 7866924), (39, 6454912), (48, 5244616), (52, 4841184), (64, 3933462), (78, 3227456), (96, 2622308), (104, 2420592), (128, 1966731), (156, 1613728), (192, 1311154), (208, 1210296), (211, 1193088), (239, 1053312), (312, 806864), (384, 655577), (416, 605148), (422, 596544), (478, 526656), (624, 403432), (633, 397696), (717, 351104), (832, 302574), (844, 298272), (956, 263328), (1248, 201716), (1266, 198848), (1434, 175552), (1664, 151287), (1688, 149136), (1912, 131664), (2496, 100858), (2532, 99424), (2743, 91776), (2868, 87776), (3107, 81024), (3376, 74568), (3824, 65832), (4992, 50429), (5064, 49712), (5486, 45888), (5736, 43888), (6214, 40512), (6752, 37284), (7648, 32916), (8229, 30592), (9321, 27008), (10128, 24856), (10972, 22944), (11472, 21944), (12428, 20256), (13504, 18642), (15296, 16458)]