90764615

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1307}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 124312320

約数和(自身を除く): 33547705

約数列:

[1, 5, 17, 19, 43, 85, 95, 215, 323, 731, 817, 1307, 1615, 3655, 4085, 6535, 13889, 22219, 24833, 56201, 69445, 111095, 124165, 281005, 422161, 955417, 1067819, 2110805, 4777085, 5339095, 18152923, 90764615]

約数ペア:

[(1, 90764615), (5, 18152923), (17, 5339095), (19, 4777085), (43, 2110805), (85, 1067819), (95, 955417), (215, 422161), (323, 281005), (731, 124165), (817, 111095), (1307, 69445), (1615, 56201), (3655, 24833), (4085, 22219), (6535, 13889)]