81330736

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{137383}}^1$

素因数の和:137428

約数の個数: 20

約数和(自身を含む): 161838352

約数和(自身を除く): 80507616

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 137383, 274766, 549532, 1099064, 2198128, 5083171, 10166342, 20332684, 40665368, 81330736]

約数ペア:

[(1, 81330736), (2, 40665368), (4, 20332684), (8, 10166342), (16, 5083171), (37, 2198128), (74, 1099064), (148, 549532), (296, 274766), (592, 137383)]