638431308

素因数分解:

$2^2\times 3^4\times {\mathrm{1970467}}^1$

素因数の和:1970483

約数の個数: 30

約数和(自身を含む): 1668986396

約数和(自身を除く): 1030555088

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 1970467, 3940934, 5911401, 7881868, 11822802, 17734203, 23645604, 35468406, 53202609, 70936812, 106405218, 159607827, 212810436, 319215654, 638431308]

約数ペア:

[(1, 638431308), (2, 319215654), (3, 212810436), (4, 159607827), (6, 106405218), (9, 70936812), (12, 53202609), (18, 35468406), (27, 23645604), (36, 17734203), (54, 11822802), (81, 7881868), (108, 5911401), (162, 3940934), (324, 1970467)]