81251018

素因数分解:

$2^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1\times {\mathrm{937}}^1$

素因数の和:1357

約数の個数: 16

約数和(自身を含む): 123185664

約数和(自身を除く): 41934646

約数列:

[1, 2, 191, 227, 382, 454, 937, 1874, 43357, 86714, 178967, 212699, 357934, 425398, 40625509, 81251018]

約数ペア:

[(1, 81251018), (2, 40625509), (191, 425398), (227, 357934), (382, 212699), (454, 178967), (937, 86714), (1874, 43357)]