64520855

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{997}}^1$

素因数の和:1095

約数の個数: 24

約数和(自身を含む): 90682272

約数和(自身を除く): 26161417

約数列:

[1, 5, 7, 35, 43, 215, 301, 997, 1505, 1849, 4985, 6979, 9245, 12943, 34895, 42871, 64715, 214355, 300097, 1500485, 1843453, 9217265, 12904171, 64520855]

約数ペア:

[(1, 64520855), (5, 12904171), (7, 9217265), (35, 1843453), (43, 1500485), (215, 300097), (301, 214355), (997, 64715), (1505, 42871), (1849, 34895), (4985, 12943), (6979, 9245)]