221750425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{35911}}^1$

素因数の和:35953

約数の個数: 24

約数和(自身を含む): 311716160

約数和(自身を除く): 89965735

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 6175, 35911, 179555, 466843, 682309, 897775, 2334215, 3411545, 8870017, 11671075, 17057725, 44350085, 221750425]

約数ペア:

[(1, 221750425), (5, 44350085), (13, 17057725), (19, 11671075), (25, 8870017), (65, 3411545), (95, 2334215), (247, 897775), (325, 682309), (475, 466843), (1235, 179555), (6175, 35911)]