398462975

素因数分解:

$5^2\times {\mathrm{193}}^1\times {\mathrm{269}}^1\times {\mathrm{307}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 500124240

約数和(自身を除く): 101661265

約数列:

[1, 5, 25, 193, 269, 307, 965, 1345, 1535, 4825, 6725, 7675, 51917, 59251, 82583, 259585, 296255, 412915, 1297925, 1481275, 2064575, 15938519, 79692595, 398462975]

約数ペア:

[(1, 398462975), (5, 79692595), (25, 15938519), (193, 2064575), (269, 1481275), (307, 1297925), (965, 412915), (1345, 296255), (1535, 259585), (4825, 82583), (6725, 59251), (7675, 51917)]