28668731

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6703}}^1$

素因数の和:6770

約数の個数: 16

約数和(自身を含む): 36040704

約数和(自身を除く): 7371973

約数列:

[1, 7, 13, 47, 91, 329, 611, 4277, 6703, 46921, 87139, 315041, 609973, 2205287, 4095533, 28668731]

約数ペア:

[(1, 28668731), (7, 4095533), (13, 2205287), (47, 609973), (91, 315041), (329, 87139), (611, 46921), (4277, 6703)]