128790610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{3947}}^1$

素因数の和:4218

約数の個数: 32

約数和(自身を含む): 250713792

約数和(自身を除く): 121923182

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 251, 502, 1255, 2510, 3263, 3947, 6526, 7894, 16315, 19735, 32630, 39470, 51311, 102622, 256555, 513110, 990697, 1981394, 4953485, 9906970, 12879061, 25758122, 64395305, 128790610]

約数ペア:

[(1, 128790610), (2, 64395305), (5, 25758122), (10, 12879061), (13, 9906970), (26, 4953485), (65, 1981394), (130, 990697), (251, 513110), (502, 256555), (1255, 102622), (2510, 51311), (3263, 39470), (3947, 32630), (6526, 19735), (7894, 16315)]