81116945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10487}}^1$

素因数の和:10529

約数の個数: 32

約数和(自身を含む): 126862848

約数和(自身を除く): 45745903

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 7735, 10487, 52435, 73409, 136331, 178279, 367045, 681655, 891395, 954317, 1247953, 2317627, 4771585, 6239765, 11588135, 16223389, 81116945]

約数ペア:

[(1, 81116945), (5, 16223389), (7, 11588135), (13, 6239765), (17, 4771585), (35, 2317627), (65, 1247953), (85, 954317), (91, 891395), (119, 681655), (221, 367045), (455, 178279), (595, 136331), (1105, 73409), (1547, 52435), (7735, 10487)]