664963010

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1621861}}^1$

素因数の和:1621909

約数の個数: 16

約数和(自身を含む): 1226127672

約数和(自身を除く): 561164662

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1621861, 3243722, 8109305, 16218610, 66496301, 132992602, 332481505, 664963010]

約数ペア:

[(1, 664963010), (2, 332481505), (5, 132992602), (10, 66496301), (41, 16218610), (82, 8109305), (205, 3243722), (410, 1621861)]