393251455

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 516600000

約数和(自身を除く): 123348545

約数列:

[1, 5, 19, 29, 95, 145, 349, 409, 551, 1745, 2045, 2755, 6631, 7771, 10121, 11861, 33155, 38855, 50605, 59305, 142741, 192299, 225359, 713705, 961495, 1126795, 2712079, 4139489, 13560395, 20697445, 78650291, 393251455]

約数ペア:

[(1, 393251455), (5, 78650291), (19, 20697445), (29, 13560395), (95, 4139489), (145, 2712079), (349, 1126795), (409, 961495), (551, 713705), (1745, 225359), (2045, 192299), (2755, 142741), (6631, 59305), (7771, 50605), (10121, 38855), (11861, 33155)]