1320982078

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{1621}}^1\times {\mathrm{2411}}^1$

素因数の和:4060

約数の個数: 24

約数和(自身を含む): 2147832936

約数和(自身を除く): 826850858

約数列:

[1, 2, 13, 26, 169, 338, 1621, 2411, 3242, 4822, 21073, 31343, 42146, 62686, 273949, 407459, 547898, 814918, 3908231, 7816462, 50807003, 101614006, 660491039, 1320982078]

約数ペア:

[(1, 1320982078), (2, 660491039), (13, 101614006), (26, 50807003), (169, 7816462), (338, 3908231), (1621, 814918), (2411, 547898), (3242, 407459), (4822, 273949), (21073, 62686), (31343, 42146)]