28638197

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{25411}}^1$

素因数の和:25448

約数の個数: 12

約数和(自身を含む): 34763616

約数和(自身を除く): 6125419

約数列:

[1, 7, 23, 49, 161, 1127, 25411, 177877, 584453, 1245139, 4091171, 28638197]

約数ペア:

[(1, 28638197), (7, 4091171), (23, 1245139), (49, 584453), (161, 177877), (1127, 25411)]