289314545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{613}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 384344352

約数和(自身を除く): 95029807

約数列:

[1, 5, 13, 53, 65, 137, 265, 613, 685, 689, 1781, 3065, 3445, 7261, 7969, 8905, 32489, 36305, 39845, 83981, 94393, 162445, 419905, 422357, 471965, 1091753, 2111785, 4450993, 5458765, 22254965, 57862909, 289314545]

約数ペア:

[(1, 289314545), (5, 57862909), (13, 22254965), (53, 5458765), (65, 4450993), (137, 2111785), (265, 1091753), (613, 471965), (685, 422357), (689, 419905), (1781, 162445), (3065, 94393), (3445, 83981), (7261, 39845), (7969, 36305), (8905, 32489)]