4124425

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{457}}^1$

素因数の和:505

約数の個数: 18

約数和(自身を含む): 5409438

約数和(自身を除く): 1285013

約数列:

[1, 5, 19, 25, 95, 361, 457, 475, 1805, 2285, 8683, 9025, 11425, 43415, 164977, 217075, 824885, 4124425]

約数ペア:

[(1, 4124425), (5, 824885), (19, 217075), (25, 164977), (95, 43415), (361, 11425), (457, 9025), (475, 8683), (1805, 2285)]