258869807

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{20353}}^1$

素因数の和:20462

約数の個数: 16

約数和(自身を含む): 312637440

約数和(自身を除く): 53767633

約数列:

[1, 7, 23, 79, 161, 553, 1817, 12719, 20353, 142471, 468119, 1607887, 3276833, 11255209, 36981401, 258869807]

約数ペア:

[(1, 258869807), (7, 36981401), (23, 11255209), (79, 3276833), (161, 1607887), (553, 468119), (1817, 142471), (12719, 20353)]