68640844

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{1409}}^1$

素因数の和:2073

約数の個数: 24

約数和(自身を含む): 126730800

約数和(自身を除く): 58089956

約数列:

[1, 2, 4, 19, 38, 76, 641, 1282, 1409, 2564, 2818, 5636, 12179, 24358, 26771, 48716, 53542, 107084, 903169, 1806338, 3612676, 17160211, 34320422, 68640844]

約数ペア:

[(1, 68640844), (2, 34320422), (4, 17160211), (19, 3612676), (38, 1806338), (76, 903169), (641, 107084), (1282, 53542), (1409, 48716), (2564, 26771), (2818, 24358), (5636, 12179)]