31621655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 42565824

約数和(自身を除く): 10944169

約数列:

[1, 5, 13, 53, 65, 67, 137, 265, 335, 685, 689, 871, 1781, 3445, 3551, 4355, 7261, 8905, 9179, 17755, 36305, 45895, 46163, 94393, 119327, 230815, 471965, 486487, 596635, 2432435, 6324331, 31621655]

約数ペア:

[(1, 31621655), (5, 6324331), (13, 2432435), (53, 596635), (65, 486487), (67, 471965), (137, 230815), (265, 119327), (335, 94393), (685, 46163), (689, 45895), (871, 36305), (1781, 17755), (3445, 9179), (3551, 8905), (4355, 7261)]