1640772296

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{331}}^1\times {\mathrm{2411}}^1$

素因数の和:3005

約数の個数: 32

約数和(自身を含む): 3099034080

約数和(自身を除く): 1458261784

約数列:

[1, 2, 4, 8, 257, 331, 514, 662, 1028, 1324, 2056, 2411, 2648, 4822, 9644, 19288, 85067, 170134, 340268, 619627, 680536, 798041, 1239254, 1596082, 2478508, 3192164, 4957016, 6384328, 205096537, 410193074, 820386148, 1640772296]

約数ペア:

[(1, 1640772296), (2, 820386148), (4, 410193074), (8, 205096537), (257, 6384328), (331, 4957016), (514, 3192164), (662, 2478508), (1028, 1596082), (1324, 1239254), (2056, 798041), (2411, 680536), (2648, 619627), (4822, 340268), (9644, 170134), (19288, 85067)]