28228018

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{22157}}^1$

素因数の和:22186

約数の個数: 24

約数和(自身を含む): 53046252

約数和(自身を除く): 24818234

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 22157, 44314, 155099, 288041, 310198, 576082, 1085693, 2016287, 2171386, 4032574, 14114009, 28228018]

約数ペア:

[(1, 28228018), (2, 14114009), (7, 4032574), (13, 2171386), (14, 2016287), (26, 1085693), (49, 576082), (91, 310198), (98, 288041), (182, 155099), (637, 44314), (1274, 22157)]