31394155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28411}}^1$

素因数の和:28446

約数の個数: 16

約数和(自身を含む): 42958944

約数和(自身を除く): 11564789

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 28411, 142055, 369343, 482987, 1846715, 2414935, 6278831, 31394155]

約数ペア:

[(1, 31394155), (5, 6278831), (13, 2414935), (17, 1846715), (65, 482987), (85, 369343), (221, 142055), (1105, 28411)]