640610166

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{250043}}^1$

素因数の和:250116

約数の個数: 32

約数和(自身を含む): 1488261888

約数和(自身を除く): 847651722

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 854, 1281, 2562, 250043, 500086, 750129, 1500258, 1750301, 3500602, 5250903, 10501806, 15252623, 30505246, 45757869, 91515738, 106768361, 213536722, 320305083, 640610166]

約数ペア:

[(1, 640610166), (2, 320305083), (3, 213536722), (6, 106768361), (7, 91515738), (14, 45757869), (21, 30505246), (42, 15252623), (61, 10501806), (122, 5250903), (183, 3500602), (366, 1750301), (427, 1500258), (854, 750129), (1281, 500086), (2562, 250043)]