215666386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{487933}}^1$

素因数の和:487965

約数の個数: 16

約数和(自身を含む): 368878104

約数和(自身を除く): 153211718

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 487933, 975866, 6343129, 8294861, 12686258, 16589722, 107833193, 215666386]

約数ペア:

[(1, 215666386), (2, 107833193), (13, 16589722), (17, 12686258), (26, 8294861), (34, 6343129), (221, 975866), (442, 487933)]