66800690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{1409}}^1$

素因数の和:1858

約数の個数: 32

約数和(自身を含む): 131569920

約数和(自身を除く): 64769230

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 431, 862, 1409, 2155, 2818, 4310, 4741, 7045, 9482, 14090, 15499, 23705, 30998, 47410, 77495, 154990, 607279, 1214558, 3036395, 6072790, 6680069, 13360138, 33400345, 66800690]

約数ペア:

[(1, 66800690), (2, 33400345), (5, 13360138), (10, 6680069), (11, 6072790), (22, 3036395), (55, 1214558), (110, 607279), (431, 154990), (862, 77495), (1409, 47410), (2155, 30998), (2818, 23705), (4310, 15499), (4741, 14090), (7045, 9482)]