128264915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1847}}^1$

素因数の和:1931

約数の個数: 32

約数和(自身を含む): 175633920

約数和(自身を除く): 47369005

約数列:

[1, 5, 17, 19, 43, 85, 95, 215, 323, 731, 817, 1615, 1847, 3655, 4085, 9235, 13889, 31399, 35093, 69445, 79421, 156995, 175465, 397105, 596581, 1350157, 1508999, 2982905, 6750785, 7544995, 25652983, 128264915]

約数ペア:

[(1, 128264915), (5, 25652983), (17, 7544995), (19, 6750785), (43, 2982905), (85, 1508999), (95, 1350157), (215, 596581), (323, 397105), (731, 175465), (817, 156995), (1615, 79421), (1847, 69445), (3655, 35093), (4085, 31399), (9235, 13889)]