157440725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{6823}}^1$

素因数の和:6917

約数の個数: 24

約数和(自身を含む): 213236352

約数和(自身を除く): 55795627

約数列:

[1, 5, 13, 25, 65, 71, 325, 355, 923, 1775, 4615, 6823, 23075, 34115, 88699, 170575, 443495, 484433, 2217475, 2422165, 6297629, 12110825, 31488145, 157440725]

約数ペア:

[(1, 157440725), (5, 31488145), (13, 12110825), (25, 6297629), (65, 2422165), (71, 2217475), (325, 484433), (355, 443495), (923, 170575), (1775, 88699), (4615, 34115), (6823, 23075)]