81187648

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1151

約数の個数: 56

約数和(自身を含む): 173150784

約数和(自身を除く): 91963136

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 71, 136, 142, 272, 284, 544, 568, 1051, 1088, 1136, 1207, 2102, 2272, 2414, 4204, 4544, 4828, 8408, 9656, 16816, 17867, 19312, 33632, 35734, 38624, 67264, 71468, 74621, 77248, 142936, 149242, 285872, 298484, 571744, 596968, 1143488, 1193936, 1268557, 2387872, 2537114, 4775744, 5074228, 10148456, 20296912, 40593824, 81187648]

約数ペア:

[(1, 81187648), (2, 40593824), (4, 20296912), (8, 10148456), (16, 5074228), (17, 4775744), (32, 2537114), (34, 2387872), (64, 1268557), (68, 1193936), (71, 1143488), (136, 596968), (142, 571744), (272, 298484), (284, 285872), (544, 149242), (568, 142936), (1051, 77248), (1088, 74621), (1136, 71468), (1207, 67264), (2102, 38624), (2272, 35734), (2414, 33632), (4204, 19312), (4544, 17867), (4828, 16816), (8408, 9656)]