189397321

素因数分解:

${\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 199051776

約数和(自身を除く): 9654455

約数列:

[1, 31, 101, 241, 251, 3131, 7471, 7781, 24341, 25351, 60491, 754571, 785881, 1875221, 6109591, 189397321]

約数ペア:

[(1, 189397321), (31, 6109591), (101, 1875221), (241, 785881), (251, 754571), (3131, 60491), (7471, 25351), (7781, 24341)]