245813285

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{2539}}^1$

素因数の和:2645

約数の個数: 24

約数和(自身を含む): 318150240

約数和(自身を除く): 72336955

約数列:

[1, 5, 17, 67, 85, 289, 335, 1139, 1445, 2539, 5695, 12695, 19363, 43163, 96815, 170113, 215815, 733771, 850565, 2891921, 3668855, 14459605, 49162657, 245813285]

約数ペア:

[(1, 245813285), (5, 49162657), (17, 14459605), (67, 3668855), (85, 2891921), (289, 850565), (335, 733771), (1139, 215815), (1445, 170113), (2539, 96815), (5695, 43163), (12695, 19363)]