313625975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{74231}}^1$

素因数の和:74267

約数の個数: 18

約数和(自身を含む): 421118136

約数和(自身を除く): 107492161

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 74231, 371155, 965003, 1855775, 4825015, 12545039, 24125075, 62725195, 313625975]

約数ペア:

[(1, 313625975), (5, 62725195), (13, 24125075), (25, 12545039), (65, 4825015), (169, 1855775), (325, 965003), (845, 371155), (4225, 74231)]