13893019

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 16981440

約数和(自身を除く): 3088421

約数列:

[1, 7, 37, 49, 79, 97, 259, 553, 679, 1813, 2923, 3589, 3871, 4753, 7663, 20461, 25123, 53641, 143227, 175861, 283531, 375487, 1984717, 13893019]

約数ペア:

[(1, 13893019), (7, 1984717), (37, 375487), (49, 283531), (79, 175861), (97, 143227), (259, 53641), (553, 25123), (679, 20461), (1813, 7663), (2923, 4753), (3589, 3871)]