247492895

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{229}}^1\times {\mathrm{1279}}^1$

素因数の和:1539

約数の個数: 24

約数和(自身を含む): 323251200

約数和(自身を除く): 75758305

約数列:

[1, 5, 13, 65, 169, 229, 845, 1145, 1279, 2977, 6395, 14885, 16627, 38701, 83135, 193505, 216151, 292891, 1080755, 1464455, 3807583, 19037915, 49498579, 247492895]

約数ペア:

[(1, 247492895), (5, 49498579), (13, 19037915), (65, 3807583), (169, 1464455), (229, 1080755), (845, 292891), (1145, 216151), (1279, 193505), (2977, 83135), (6395, 38701), (14885, 16627)]