28209077

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:452

約数の個数: 16

約数和(自身を含む): 31187520

約数和(自身を除く): 2978443

約数列:

[1, 13, 67, 139, 233, 871, 1807, 3029, 9313, 15611, 32387, 121069, 202943, 421031, 2169929, 28209077]

約数ペア:

[(1, 28209077), (13, 2169929), (67, 421031), (139, 202943), (233, 121069), (871, 32387), (1807, 15611), (3029, 9313)]