65315255

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{409}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 84771600

約数和(自身を除く): 19456345

約数列:

[1, 5, 19, 41, 95, 205, 409, 779, 1681, 2045, 3895, 7771, 8405, 16769, 31939, 38855, 83845, 159695, 318611, 687529, 1593055, 3437645, 13063051, 65315255]

約数ペア:

[(1, 65315255), (5, 13063051), (19, 3437645), (41, 1593055), (95, 687529), (205, 318611), (409, 159695), (779, 83845), (1681, 38855), (2045, 31939), (3895, 16769), (7771, 8405)]