28253431

素因数分解:

${\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:382

約数の個数: 16

約数和(自身を含む): 30220288

約数和(自身を除く): 1966857

約数列:

[1, 31, 61, 67, 223, 1891, 2077, 4087, 6913, 13603, 14941, 126697, 421693, 463171, 911401, 28253431]

約数ペア:

[(1, 28253431), (31, 911401), (61, 463171), (67, 421693), (223, 126697), (1891, 14941), (2077, 13603), (4087, 6913)]