641728

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:320

約数の個数: 28

約数和(自身を含む): 1312672

約数和(自身を除く): 670944

約数列:

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

約数ペア:

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