12967955

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2591}}^1$

素因数の和:2627

約数の個数: 32

約数和(自身を含む): 20901888

約数和(自身を除く): 7933933

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 2591, 5005, 12955, 18137, 28501, 33683, 90685, 142505, 168415, 199507, 235781, 370513, 997535, 1178905, 1852565, 2593591, 12967955]

約数ペア:

[(1, 12967955), (5, 2593591), (7, 1852565), (11, 1178905), (13, 997535), (35, 370513), (55, 235781), (65, 199507), (77, 168415), (91, 142505), (143, 90685), (385, 33683), (455, 28501), (715, 18137), (1001, 12955), (2591, 5005)]