65008475

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 96636672

約数和(自身を除く): 31628197

約数列:

[1, 5, 7, 25, 35, 43, 53, 163, 175, 215, 265, 301, 371, 815, 1075, 1141, 1325, 1505, 1855, 2279, 4075, 5705, 7009, 7525, 8639, 9275, 11395, 15953, 28525, 35045, 43195, 49063, 56975, 60473, 79765, 175225, 215975, 245315, 302365, 371477, 398825, 1226575, 1511825, 1857385, 2600339, 9286925, 13001695, 65008475]

約数ペア:

[(1, 65008475), (5, 13001695), (7, 9286925), (25, 2600339), (35, 1857385), (43, 1511825), (53, 1226575), (163, 398825), (175, 371477), (215, 302365), (265, 245315), (301, 215975), (371, 175225), (815, 79765), (1075, 60473), (1141, 56975), (1325, 49063), (1505, 43195), (1855, 35045), (2279, 28525), (4075, 15953), (5705, 11395), (7009, 9275), (7525, 8639)]