77221816

素因数分解:

$2^3\times 7^1\times {\mathrm{1378961}}^1$

素因数の和:1378974

約数の個数: 16

約数和(自身を含む): 165475440

約数和(自身を除く): 88253624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1378961, 2757922, 5515844, 9652727, 11031688, 19305454, 38610908, 77221816]

約数ペア:

[(1, 77221816), (2, 38610908), (4, 19305454), (7, 11031688), (8, 9652727), (14, 5515844), (28, 2757922), (56, 1378961)]