64578475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4621}}^1$

素因数の和:4687

約数の個数: 24

約数和(自身を含む): 88261712

約数和(自身を除く): 23683237

約数列:

[1, 5, 13, 25, 43, 65, 215, 325, 559, 1075, 2795, 4621, 13975, 23105, 60073, 115525, 198703, 300365, 993515, 1501825, 2583139, 4967575, 12915695, 64578475]

約数ペア:

[(1, 64578475), (5, 12915695), (13, 4967575), (25, 2583139), (43, 1501825), (65, 993515), (215, 300365), (325, 198703), (559, 115525), (1075, 60073), (2795, 23105), (4621, 13975)]