556668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^2$

素因数の和:111

約数の個数: 54

約数和(自身を含む): 1643096

約数和(自身を除く): 1086428

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 63, 84, 94, 126, 141, 188, 252, 282, 329, 423, 564, 658, 846, 987, 1316, 1692, 1974, 2209, 2961, 3948, 4418, 5922, 6627, 8836, 11844, 13254, 15463, 19881, 26508, 30926, 39762, 46389, 61852, 79524, 92778, 139167, 185556, 278334, 556668]

約数ペア:

[(1, 556668), (2, 278334), (3, 185556), (4, 139167), (6, 92778), (7, 79524), (9, 61852), (12, 46389), (14, 39762), (18, 30926), (21, 26508), (28, 19881), (36, 15463), (42, 13254), (47, 11844), (63, 8836), (84, 6627), (94, 5922), (126, 4418), (141, 3948), (188, 2961), (252, 2209), (282, 1974), (329, 1692), (423, 1316), (564, 987), (658, 846)]