1286928305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1164641}}^1$

素因数の和:1164676

約数の個数: 16

約数和(自身を含む): 1760938704

約数和(自身を除く): 474010399

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1164641, 5823205, 15140333, 19798897, 75701665, 98994485, 257385661, 1286928305]

約数ペア:

[(1, 1286928305), (5, 257385661), (13, 98994485), (17, 75701665), (65, 19798897), (85, 15140333), (221, 5823205), (1105, 1164641)]