28657386

素因数分解:

$2^1\times 3^2\times {\mathrm{137}}^1\times {\mathrm{11621}}^1$

素因数の和:11766

約数の個数: 24

約数和(自身を含む): 62549604

約数和(自身を除く): 33892218

約数列:

[1, 2, 3, 6, 9, 18, 137, 274, 411, 822, 1233, 2466, 11621, 23242, 34863, 69726, 104589, 209178, 1592077, 3184154, 4776231, 9552462, 14328693, 28657386]

約数ペア:

[(1, 28657386), (2, 14328693), (3, 9552462), (6, 4776231), (9, 3184154), (18, 1592077), (137, 209178), (274, 104589), (411, 69726), (822, 34863), (1233, 23242), (2466, 11621)]