1720659811

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{761}}^1\times {\mathrm{787}}^1$

素因数の和:1591

約数の個数: 24

約数和(自身を含む): 1977902064

約数和(自身を除く): 257242253

約数列:

[1, 13, 17, 169, 221, 761, 787, 2873, 9893, 10231, 12937, 13379, 128609, 133003, 168181, 173927, 598907, 2186353, 2261051, 7785791, 10181419, 101215283, 132358447, 1720659811]

約数ペア:

[(1, 1720659811), (13, 132358447), (17, 101215283), (169, 10181419), (221, 7785791), (761, 2261051), (787, 2186353), (2873, 598907), (9893, 173927), (10231, 168181), (12937, 133003), (13379, 128609)]