1281193487

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{709}}^1\times {\mathrm{6977}}^1$

素因数の和:7730

約数の個数: 16

約数和(自身を含む): 1506131520

約数和(自身を除く): 224938033

約数列:

[1, 7, 37, 259, 709, 4963, 6977, 26233, 48839, 183631, 258149, 1807043, 4946693, 34626851, 183027641, 1281193487]

約数ペア:

[(1, 1281193487), (7, 183027641), (37, 34626851), (259, 4946693), (709, 1807043), (4963, 258149), (6977, 183631), (26233, 48839)]