81945917

素因数分解:

${\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{5279}}^1$

素因数の和:5360

約数の個数: 12

約数和(自身を含む): 88513920

約数和(自身を除く): 6568003

約数列:

[1, 19, 43, 361, 817, 5279, 15523, 100301, 226997, 1905719, 4312943, 81945917]

約数ペア:

[(1, 81945917), (19, 4312943), (43, 1905719), (361, 226997), (817, 100301), (5279, 15523)]