131304725

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{14549}}^1$

素因数の和:14597

約数の個数: 18

約数和(自身を含む): 171850050

約数和(自身を除く): 40545325

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 9025, 14549, 72745, 276431, 363725, 1382155, 5252189, 6910775, 26260945, 131304725]

約数ペア:

[(1, 131304725), (5, 26260945), (19, 6910775), (25, 5252189), (95, 1382155), (361, 363725), (475, 276431), (1805, 72745), (9025, 14549)]