64875785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 89147520

約数和(自身を除く): 24271735

約数列:

[1, 5, 13, 19, 65, 95, 131, 247, 401, 655, 1235, 1703, 2005, 2489, 5213, 7619, 8515, 12445, 26065, 32357, 38095, 52531, 99047, 161785, 262655, 495235, 682903, 998089, 3414515, 4990445, 12975157, 64875785]

約数ペア:

[(1, 64875785), (5, 12975157), (13, 4990445), (19, 3414515), (65, 998089), (95, 682903), (131, 495235), (247, 262655), (401, 161785), (655, 99047), (1235, 52531), (1703, 38095), (2005, 32357), (2489, 26065), (5213, 12445), (7619, 8515)]