663894439

素因数分解:

${\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1\times {\mathrm{1361}}^1$

素因数の和:1770

約数の個数: 16

約数和(自身を含む): 723058560

約数和(自身を除く): 59164121

約数列:

[1, 13, 157, 239, 1361, 2041, 3107, 17693, 37523, 213677, 325279, 487799, 2777801, 4228627, 51068803, 663894439]

約数ペア:

[(1, 663894439), (13, 51068803), (157, 4228627), (239, 2777801), (1361, 487799), (2041, 325279), (3107, 213677), (17693, 37523)]