320992956

素因数分解:

$2^2\times 3^4\times {\mathrm{990719}}^1$

素因数の和:990735

約数の個数: 30

約数和(自身を含む): 839139840

約数和(自身を除く): 518146884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 990719, 1981438, 2972157, 3962876, 5944314, 8916471, 11888628, 17832942, 26749413, 35665884, 53498826, 80248239, 106997652, 160496478, 320992956]

約数ペア:

[(1, 320992956), (2, 160496478), (3, 106997652), (4, 80248239), (6, 53498826), (9, 35665884), (12, 26749413), (18, 17832942), (27, 11888628), (36, 8916471), (54, 5944314), (81, 3962876), (108, 2972157), (162, 1981438), (324, 990719)]