258978876

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1660121}}^1$

素因数の和:1660141

約数の個数: 24

約数和(自身を含む): 650767824

約数和(自身を除く): 391788948

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1660121, 3320242, 4980363, 6640484, 9960726, 19921452, 21581573, 43163146, 64744719, 86326292, 129489438, 258978876]

約数ペア:

[(1, 258978876), (2, 129489438), (3, 86326292), (4, 64744719), (6, 43163146), (12, 21581573), (13, 19921452), (26, 9960726), (39, 6640484), (52, 4980363), (78, 3320242), (156, 1660121)]