223423915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{43}}^2$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 324384480

約数和(自身を除く): 100960565

約数列:

[1, 5, 11, 13, 43, 55, 65, 143, 169, 215, 473, 559, 715, 845, 1849, 1859, 2197, 2365, 2795, 6149, 7267, 9245, 9295, 10985, 20339, 24037, 24167, 30745, 36335, 79937, 94471, 101695, 120185, 120835, 264407, 312481, 399685, 472355, 1039181, 1322035, 1562405, 3437291, 4062253, 5195905, 17186455, 20311265, 44684783, 223423915]

約数ペア:

[(1, 223423915), (5, 44684783), (11, 20311265), (13, 17186455), (43, 5195905), (55, 4062253), (65, 3437291), (143, 1562405), (169, 1322035), (215, 1039181), (473, 472355), (559, 399685), (715, 312481), (845, 264407), (1849, 120835), (1859, 120185), (2197, 101695), (2365, 94471), (2795, 79937), (6149, 36335), (7267, 30745), (9245, 24167), (9295, 24037), (10985, 20339)]