400281635

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1621}}^1$

素因数の和:1799

約数の個数: 32

約数和(自身を含む): 539542080

約数和(自身を除く): 139260445

約数列:

[1, 5, 13, 29, 65, 131, 145, 377, 655, 1621, 1703, 1885, 3799, 8105, 8515, 18995, 21073, 47009, 49387, 105365, 212351, 235045, 246935, 611117, 1061755, 2760563, 3055585, 6158179, 13802815, 30790895, 80056327, 400281635]

約数ペア:

[(1, 400281635), (5, 80056327), (13, 30790895), (29, 13802815), (65, 6158179), (131, 3055585), (145, 2760563), (377, 1061755), (655, 611117), (1621, 246935), (1703, 235045), (1885, 212351), (3799, 105365), (8105, 49387), (8515, 47009), (18995, 21073)]