81880982

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{3229}}^1$

素因数の和:3671

約数の個数: 16

約数和(自身を含む): 127132800

約数和(自身を除く): 45251818

約数列:

[1, 2, 31, 62, 409, 818, 3229, 6458, 12679, 25358, 100099, 200198, 1320661, 2641322, 40940491, 81880982]

約数ペア:

[(1, 81880982), (2, 40940491), (31, 2641322), (62, 1320661), (409, 200198), (818, 100099), (3229, 25358), (6458, 12679)]