243668315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{523}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 328686336

約数和(自身を除く): 85018021

約数列:

[1, 5, 11, 43, 55, 197, 215, 473, 523, 985, 2167, 2365, 2615, 5753, 8471, 10835, 22489, 28765, 42355, 93181, 103031, 112445, 247379, 465905, 515155, 1133341, 1236895, 4430333, 5666705, 22151665, 48733663, 243668315]

約数ペア:

[(1, 243668315), (5, 48733663), (11, 22151665), (43, 5666705), (55, 4430333), (197, 1236895), (215, 1133341), (473, 515155), (523, 465905), (985, 247379), (2167, 112445), (2365, 103031), (2615, 93181), (5753, 42355), (8471, 28765), (10835, 22489)]