489701885

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{383}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 621969408

約数和(自身を除く): 132267523

約数列:

[1, 5, 31, 73, 113, 155, 365, 383, 565, 1915, 2263, 3503, 8249, 11315, 11873, 17515, 27959, 41245, 43279, 59365, 139795, 216395, 255719, 866729, 1278595, 1341649, 3159367, 4333645, 6708245, 15796835, 97940377, 489701885]

約数ペア:

[(1, 489701885), (5, 97940377), (31, 15796835), (73, 6708245), (113, 4333645), (155, 3159367), (365, 1341649), (383, 1278595), (565, 866729), (1915, 255719), (2263, 216395), (3503, 139795), (8249, 59365), (11315, 43279), (11873, 41245), (17515, 27959)]