189957416

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{3217}}^1$

素因数の和:3306

約数の個数: 48

約数和(自身を含む): 398034420

約数和(自身を除く): 208077004

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 121, 122, 242, 244, 484, 488, 671, 968, 1342, 2684, 3217, 5368, 6434, 7381, 12868, 14762, 25736, 29524, 35387, 59048, 70774, 141548, 196237, 283096, 389257, 392474, 778514, 784948, 1557028, 1569896, 2158607, 3114056, 4317214, 8634428, 17268856, 23744677, 47489354, 94978708, 189957416]

約数ペア:

[(1, 189957416), (2, 94978708), (4, 47489354), (8, 23744677), (11, 17268856), (22, 8634428), (44, 4317214), (61, 3114056), (88, 2158607), (121, 1569896), (122, 1557028), (242, 784948), (244, 778514), (484, 392474), (488, 389257), (671, 283096), (968, 196237), (1342, 141548), (2684, 70774), (3217, 59048), (5368, 35387), (6434, 29524), (7381, 25736), (12868, 14762)]