1286155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:486

約数の個数: 16

約数和(自身を含む): 1701504

約数和(自身を除く): 415349

約数列:

[1, 5, 13, 47, 65, 235, 421, 611, 2105, 3055, 5473, 19787, 27365, 98935, 257231, 1286155]

約数ペア:

[(1, 1286155), (5, 257231), (13, 98935), (47, 27365), (65, 19787), (235, 5473), (421, 3055), (611, 2105)]