81799826

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{13711}}^1$

素因数の和:13889

約数の個数: 16

約数和(自身を含む): 129989760

約数和(自身を除く): 48189934

約数列:

[1, 2, 19, 38, 157, 314, 2983, 5966, 13711, 27422, 260509, 521018, 2152627, 4305254, 40899913, 81799826]

約数ペア:

[(1, 81799826), (2, 40899913), (19, 4305254), (38, 2152627), (157, 521018), (314, 260509), (2983, 27422), (5966, 13711)]