1930880001

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1\times {\mathrm{563}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 2707200000

約数和(自身を除く): 776319999

約数列:

[1, 3, 29, 79, 87, 237, 499, 563, 1497, 1689, 2291, 6873, 14471, 16327, 39421, 43413, 44477, 48981, 118263, 133431, 280937, 842811, 1143209, 1289833, 3429627, 3869499, 8147173, 22194023, 24441519, 66582069, 643626667, 1930880001]

約数ペア:

[(1, 1930880001), (3, 643626667), (29, 66582069), (79, 24441519), (87, 22194023), (237, 8147173), (499, 3869499), (563, 3429627), (1497, 1289833), (1689, 1143209), (2291, 842811), (6873, 280937), (14471, 133431), (16327, 118263), (39421, 48981), (43413, 44477)]