920645245

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 1242523152

約数和(自身を除く): 321877907

約数列:

[1, 5, 13, 53, 61, 65, 169, 265, 305, 337, 689, 793, 845, 1685, 3233, 3445, 3965, 4381, 8957, 10309, 16165, 17861, 20557, 21905, 42029, 44785, 51545, 56953, 89305, 102785, 210145, 232193, 267241, 284765, 546377, 1089521, 1160965, 1336205, 2731885, 3018509, 3474133, 5447605, 14163773, 15092545, 17370665, 70818865, 184129049, 920645245]

約数ペア:

[(1, 920645245), (5, 184129049), (13, 70818865), (53, 17370665), (61, 15092545), (65, 14163773), (169, 5447605), (265, 3474133), (305, 3018509), (337, 2731885), (689, 1336205), (793, 1160965), (845, 1089521), (1685, 546377), (3233, 284765), (3445, 267241), (3965, 232193), (4381, 210145), (8957, 102785), (10309, 89305), (16165, 56953), (17861, 51545), (20557, 44785), (21905, 42029)]