81225472

素因数分解:

$2^8\times {\mathrm{97}}^1\times {\mathrm{3271}}^1$

素因数の和:3384

約数の個数: 36

約数和(自身を含む): 163855216

約数和(自身を除く): 82629744

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 256, 388, 776, 1552, 3104, 3271, 6208, 6542, 12416, 13084, 24832, 26168, 52336, 104672, 209344, 317287, 418688, 634574, 837376, 1269148, 2538296, 5076592, 10153184, 20306368, 40612736, 81225472]

約数ペア:

[(1, 81225472), (2, 40612736), (4, 20306368), (8, 10153184), (16, 5076592), (32, 2538296), (64, 1269148), (97, 837376), (128, 634574), (194, 418688), (256, 317287), (388, 209344), (776, 104672), (1552, 52336), (3104, 26168), (3271, 24832), (6208, 13084), (6542, 12416)]