87871861

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67129}}^1$

素因数の和:67164

約数の個数: 16

約数和(自身を含む): 116000640

約数和(自身を除く): 28128779

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 67129, 469903, 738419, 1141193, 5168933, 7988351, 12553123, 87871861]

約数ペア:

[(1, 87871861), (7, 12553123), (11, 7988351), (17, 5168933), (77, 1141193), (119, 738419), (187, 469903), (1309, 67129)]