68441728

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:545

約数の個数: 64

約数和(自身を含む): 146733120

約数和(自身を除く): 78291392

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 71, 128, 136, 142, 272, 284, 443, 544, 568, 886, 1088, 1136, 1207, 1772, 2176, 2272, 2414, 3544, 4544, 4828, 7088, 7531, 9088, 9656, 14176, 15062, 19312, 28352, 30124, 31453, 38624, 56704, 60248, 62906, 77248, 120496, 125812, 154496, 240992, 251624, 481984, 503248, 534701, 963968, 1006496, 1069402, 2012992, 2138804, 4025984, 4277608, 8555216, 17110432, 34220864, 68441728]

約数ペア:

[(1, 68441728), (2, 34220864), (4, 17110432), (8, 8555216), (16, 4277608), (17, 4025984), (32, 2138804), (34, 2012992), (64, 1069402), (68, 1006496), (71, 963968), (128, 534701), (136, 503248), (142, 481984), (272, 251624), (284, 240992), (443, 154496), (544, 125812), (568, 120496), (886, 77248), (1088, 62906), (1136, 60248), (1207, 56704), (1772, 38624), (2176, 31453), (2272, 30124), (2414, 28352), (3544, 19312), (4544, 15062), (4828, 14176), (7088, 9656), (7531, 9088)]