128666464

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{401}}^1$

素因数の和:719

約数の個数: 48

約数和(自身を含む): 261769536

約数和(自身を除く): 133103072

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 148, 271, 296, 401, 542, 592, 802, 1084, 1184, 1604, 2168, 3208, 4336, 6416, 8672, 10027, 12832, 14837, 20054, 29674, 40108, 59348, 80216, 108671, 118696, 160432, 217342, 237392, 320864, 434684, 474784, 869368, 1738736, 3477472, 4020827, 8041654, 16083308, 32166616, 64333232, 128666464]

約数ペア:

[(1, 128666464), (2, 64333232), (4, 32166616), (8, 16083308), (16, 8041654), (32, 4020827), (37, 3477472), (74, 1738736), (148, 869368), (271, 474784), (296, 434684), (401, 320864), (542, 237392), (592, 217342), (802, 160432), (1084, 118696), (1184, 108671), (1604, 80216), (2168, 59348), (3208, 40108), (4336, 29674), (6416, 20054), (8672, 14837), (10027, 12832)]