261085175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42281}}^1$

素因数の和:42323

約数の個数: 24

約数和(自身を含む): 367007760

約数和(自身を除く): 105922585

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 6175, 42281, 211405, 549653, 803339, 1057025, 2748265, 4016695, 10443407, 13741325, 20083475, 52217035, 261085175]

約数ペア:

[(1, 261085175), (5, 52217035), (13, 20083475), (19, 13741325), (25, 10443407), (65, 4016695), (95, 2748265), (247, 1057025), (325, 803339), (475, 549653), (1235, 211405), (6175, 42281)]