406643524

素因数分解:

$2^2\times 7^1\times {\mathrm{1987}}^1\times {\mathrm{7309}}^1$

素因数の和:9307

約数の個数: 24

約数和(自身を含む): 813807680

約数和(自身を除く): 407164156

約数列:

[1, 2, 4, 7, 14, 28, 1987, 3974, 7309, 7948, 13909, 14618, 27818, 29236, 51163, 55636, 102326, 204652, 14522983, 29045966, 58091932, 101660881, 203321762, 406643524]

約数ペア:

[(1, 406643524), (2, 203321762), (4, 101660881), (7, 58091932), (14, 29045966), (28, 14522983), (1987, 204652), (3974, 102326), (7309, 55636), (7948, 51163), (13909, 29236), (14618, 27818)]