661696295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{73237}}^1$

素因数の和:73394

約数の個数: 16

約数和(自身を含む): 861278880

約数和(自身を除く): 199582585

約数列:

[1, 5, 13, 65, 139, 695, 1807, 9035, 73237, 366185, 952081, 4760405, 10179943, 50899715, 132339259, 661696295]

約数ペア:

[(1, 661696295), (5, 132339259), (13, 50899715), (65, 10179943), (139, 4760405), (695, 952081), (1807, 366185), (9035, 73237)]