1286305

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:468

約数の個数: 16

約数和(自身を含む): 1682640

約数和(自身を除く): 396335

約数列:

[1, 5, 17, 37, 85, 185, 409, 629, 2045, 3145, 6953, 15133, 34765, 75665, 257261, 1286305]

約数ペア:

[(1, 1286305), (5, 257261), (17, 75665), (37, 34765), (85, 15133), (185, 6953), (409, 3145), (629, 2045)]