1291248005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{115963}}^1$

素因数の和:116116

約数の個数: 16

約数和(自身を含む): 1653182784

約数和(自身を除く): 361934779

約数列:

[1, 5, 17, 85, 131, 655, 2227, 11135, 115963, 579815, 1971371, 9856855, 15191153, 75955765, 258249601, 1291248005]

約数ペア:

[(1, 1291248005), (5, 258249601), (17, 75955765), (85, 15191153), (131, 9856855), (655, 1971371), (2227, 579815), (11135, 115963)]