7891145

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 10374144

約数和(自身を除く): 2482999

約数列:

[1, 5, 17, 43, 85, 127, 215, 289, 635, 731, 1445, 2159, 3655, 5461, 10795, 12427, 27305, 36703, 62135, 92837, 183515, 464185, 1578229, 7891145]

約数ペア:

[(1, 7891145), (5, 1578229), (17, 464185), (43, 183515), (85, 92837), (127, 62135), (215, 36703), (289, 27305), (635, 12427), (731, 10795), (1445, 5461), (2159, 3655)]