28528717

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2243}}^1$

素因数の和:2352

約数の個数: 16

約数和(自身を含む): 34467840

約数和(自身を除く): 5939123

約数列:

[1, 7, 23, 79, 161, 553, 1817, 2243, 12719, 15701, 51589, 177197, 361123, 1240379, 4075531, 28528717]

約数ペア:

[(1, 28528717), (7, 4075531), (23, 1240379), (79, 361123), (161, 177197), (553, 51589), (1817, 15701), (2243, 12719)]