258364990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{15649}}^1$

素因数の和:15796

約数の個数: 32

約数和(自身を含む): 504806400

約数和(自身を除く): 246441410

約数列:

[1, 2, 5, 10, 13, 26, 65, 127, 130, 254, 635, 1270, 1651, 3302, 8255, 15649, 16510, 31298, 78245, 156490, 203437, 406874, 1017185, 1987423, 2034370, 3974846, 9937115, 19874230, 25836499, 51672998, 129182495, 258364990]

約数ペア:

[(1, 258364990), (2, 129182495), (5, 51672998), (10, 25836499), (13, 19874230), (26, 9937115), (65, 3974846), (127, 2034370), (130, 1987423), (254, 1017185), (635, 406874), (1270, 203437), (1651, 156490), (3302, 78245), (8255, 31298), (15649, 16510)]