28220413

素因数分解:

${\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:444

約数の個数: 16

約数和(自身を含む): 31179456

約数和(自身を除く): 2959043

約数列:

[1, 13, 73, 131, 227, 949, 1703, 2951, 9563, 16571, 29737, 124319, 215423, 386581, 2170801, 28220413]

約数ペア:

[(1, 28220413), (13, 2170801), (73, 386581), (131, 215423), (227, 124319), (949, 29737), (1703, 16571), (2951, 9563)]