890258876

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{1316951}}^1$

素因数の和:1316981

約数の個数: 18

約数和(自身を含む): 1687015512

約数和(自身を除く): 796756636

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 1316951, 2633902, 5267804, 17120363, 34240726, 68481452, 222564719, 445129438, 890258876]

約数ペア:

[(1, 890258876), (2, 445129438), (4, 222564719), (13, 68481452), (26, 34240726), (52, 17120363), (169, 5267804), (338, 2633902), (676, 1316951)]