28701574

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{12917}}^1$

素因数の和:13031

約数の個数: 16

約数和(自身を含む): 47434896

約数和(自身を除く): 18733322

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 12917, 25834, 142087, 284174, 1304617, 2609234, 14350787, 28701574]

約数ペア:

[(1, 28701574), (2, 14350787), (11, 2609234), (22, 1304617), (101, 284174), (202, 142087), (1111, 25834), (2222, 12917)]