1283456

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 2635680

約数和(自身を除く): 1352224

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 271, 296, 542, 592, 1084, 1184, 2168, 2368, 4336, 4736, 8672, 10027, 17344, 20054, 34688, 40108, 80216, 160432, 320864, 641728, 1283456]

約数ペア:

[(1, 1283456), (2, 641728), (4, 320864), (8, 160432), (16, 80216), (32, 40108), (37, 34688), (64, 20054), (74, 17344), (128, 10027), (148, 8672), (271, 4736), (296, 4336), (542, 2368), (592, 2168), (1084, 1184)]