657231670

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{27743}}^1$

素因数の和:27876

約数の個数: 32

約数和(自身を含む): 1246482432

約数和(自身を除く): 589250762

約数列:

[1, 2, 5, 10, 23, 46, 103, 115, 206, 230, 515, 1030, 2369, 4738, 11845, 23690, 27743, 55486, 138715, 277430, 638089, 1276178, 2857529, 3190445, 5715058, 6380890, 14287645, 28575290, 65723167, 131446334, 328615835, 657231670]

約数ペア:

[(1, 657231670), (2, 328615835), (5, 131446334), (10, 65723167), (23, 28575290), (46, 14287645), (103, 6380890), (115, 5715058), (206, 3190445), (230, 2857529), (515, 1276178), (1030, 638089), (2369, 277430), (4738, 138715), (11845, 55486), (23690, 27743)]