81678415

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2017}}^1$

素因数の和:2131

約数の個数: 32

約数和(自身を含む): 122048640

約数和(自身を除く): 40370225

約数列:

[1, 5, 7, 13, 35, 65, 89, 91, 445, 455, 623, 1157, 2017, 3115, 5785, 8099, 10085, 14119, 26221, 40495, 70595, 131105, 179513, 183547, 897565, 917735, 1256591, 2333669, 6282955, 11668345, 16335683, 81678415]

約数ペア:

[(1, 81678415), (5, 16335683), (7, 11668345), (13, 6282955), (35, 2333669), (65, 1256591), (89, 917735), (91, 897565), (445, 183547), (455, 179513), (623, 131105), (1157, 70595), (2017, 40495), (3115, 26221), (5785, 14119), (8099, 10085)]