258452818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{31963}}^1$

素因数の和:32289

約数の個数: 16

約数和(自身を含む): 418856256

約数和(自身を除く): 160403438

約数列:

[1, 2, 13, 26, 311, 622, 4043, 8086, 31963, 63926, 415519, 831038, 9940493, 19880986, 129226409, 258452818]

約数ペア:

[(1, 258452818), (2, 129226409), (13, 19880986), (26, 9940493), (311, 831038), (622, 415519), (4043, 63926), (8086, 31963)]