64859905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 88704000

約数和(自身を除く): 23844095

約数列:

[1, 5, 11, 31, 55, 109, 155, 341, 349, 545, 1199, 1705, 1745, 3379, 3839, 5995, 10819, 16895, 19195, 37169, 38041, 54095, 119009, 185845, 190205, 418451, 595045, 1179271, 2092255, 5896355, 12971981, 64859905]

約数ペア:

[(1, 64859905), (5, 12971981), (11, 5896355), (31, 2092255), (55, 1179271), (109, 595045), (155, 418451), (341, 190205), (349, 185845), (545, 119009), (1199, 54095), (1705, 38041), (1745, 37169), (3379, 19195), (3839, 16895), (5995, 10819)]