666868226

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{21269}}^1$

素因数の和:21589

約数の個数: 16

約数和(自身を含む): 1020704760

約数和(自身を除く): 353836534

約数列:

[1, 2, 61, 122, 257, 514, 15677, 21269, 31354, 42538, 1297409, 2594818, 5466133, 10932266, 333434113, 666868226]

約数ペア:

[(1, 666868226), (2, 333434113), (61, 10932266), (122, 5466133), (257, 2594818), (514, 1297409), (15677, 42538), (21269, 31354)]