28626948

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2417}}^1$

素因数の和:2481

約数の個数: 72

約数和(自身を含む): 84494592

約数和(自身を除く): 55867644

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, 2417, 2961, 3948, 4834, 5922, 7251, 9668, 11844, 14502, 16919, 21753, 29004, 33838, 43506, 50757, 67676, 87012, 101514, 113599, 152271, 203028, 227198, 304542, 340797, 454396, 609084, 681594, 795193, 1022391, 1363188, 1590386, 2044782, 2385579, 3180772, 4089564, 4771158, 7156737, 9542316, 14313474, 28626948]

約数ペア:

[(1, 28626948), (2, 14313474), (3, 9542316), (4, 7156737), (6, 4771158), (7, 4089564), (9, 3180772), (12, 2385579), (14, 2044782), (18, 1590386), (21, 1363188), (28, 1022391), (36, 795193), (42, 681594), (47, 609084), (63, 454396), (84, 340797), (94, 304542), (126, 227198), (141, 203028), (188, 152271), (252, 113599), (282, 101514), (329, 87012), (423, 67676), (564, 50757), (658, 43506), (846, 33838), (987, 29004), (1316, 21753), (1692, 16919), (1974, 14502), (2417, 11844), (2961, 9668), (3948, 7251), (4834, 5922)]