3881825

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 5172288

約数和(自身を除く): 1290463

約数列:

[1, 5, 23, 25, 43, 115, 157, 215, 575, 785, 989, 1075, 3611, 3925, 4945, 6751, 18055, 24725, 33755, 90275, 155273, 168775, 776365, 3881825]

約数ペア:

[(1, 3881825), (5, 776365), (23, 168775), (25, 155273), (43, 90275), (115, 33755), (157, 24725), (215, 18055), (575, 6751), (785, 4945), (989, 3925), (1075, 3611)]