31421988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67141}}^1$

素因数の和:67164

約数の個数: 36

約数和(自身を含む): 85538908

約数和(自身を除く): 54116920

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 67141, 134282, 201423, 268564, 402846, 604269, 805692, 872833, 1208538, 1745666, 2417076, 2618499, 3491332, 5236998, 7855497, 10473996, 15710994, 31421988]

約数ペア:

[(1, 31421988), (2, 15710994), (3, 10473996), (4, 7855497), (6, 5236998), (9, 3491332), (12, 2618499), (13, 2417076), (18, 1745666), (26, 1208538), (36, 872833), (39, 805692), (52, 604269), (78, 402846), (117, 268564), (156, 201423), (234, 134282), (468, 67141)]