90112321

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 103299840

約数和(自身を除く): 13187519

約数列:

[1, 13, 23, 97, 169, 239, 299, 1261, 2231, 3107, 3887, 5497, 16393, 23183, 29003, 40391, 71461, 301379, 377039, 533209, 928993, 3917927, 6931717, 90112321]

約数ペア:

[(1, 90112321), (13, 6931717), (23, 3917927), (97, 928993), (169, 533209), (239, 377039), (299, 301379), (1261, 71461), (2231, 40391), (3107, 29003), (3887, 23183), (5497, 16393)]