123943415

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 158241600

約数和(自身を除く): 34298185

約数列:

[1, 5, 43, 53, 73, 149, 215, 265, 365, 745, 2279, 3139, 3869, 6407, 7897, 10877, 11395, 15695, 19345, 32035, 39485, 54385, 166367, 339571, 467711, 576481, 831835, 1697855, 2338555, 2882405, 24788683, 123943415]

約数ペア:

[(1, 123943415), (5, 24788683), (43, 2882405), (53, 2338555), (73, 1697855), (149, 831835), (215, 576481), (265, 467711), (365, 339571), (745, 166367), (2279, 54385), (3139, 39485), (3869, 32035), (6407, 19345), (7897, 15695), (10877, 11395)]