1285458209

素因数分解:

$7^2\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{1231}}^1$

素因数の和:1557

約数の個数: 24

約数和(自身を含む): 1518523776

約数和(自身を除く): 233065567

約数列:

[1, 7, 49, 101, 211, 707, 1231, 1477, 4949, 8617, 10339, 21311, 60319, 124331, 149177, 259741, 870317, 1044239, 1818187, 6092219, 12727309, 26233841, 183636887, 1285458209]

約数ペア:

[(1, 1285458209), (7, 183636887), (49, 26233841), (101, 12727309), (211, 6092219), (707, 1818187), (1231, 1044239), (1477, 870317), (4949, 259741), (8617, 149177), (10339, 124331), (21311, 60319)]