71387335

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:555

約数の個数: 24

約数和(自身を含む): 91952640

約数和(自身を除く): 20565305

約数列:

[1, 5, 17, 85, 127, 289, 389, 635, 1445, 1945, 2159, 6613, 10795, 33065, 36703, 49403, 112421, 183515, 247015, 562105, 839851, 4199255, 14277467, 71387335]

約数ペア:

[(1, 71387335), (5, 14277467), (17, 4199255), (85, 839851), (127, 562105), (289, 247015), (389, 183515), (635, 112421), (1445, 49403), (1945, 36703), (2159, 33065), (6613, 10795)]