1216775

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 1830240

約数和(自身を除く): 613465

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 409, 425, 595, 2045, 2863, 2975, 6953, 10225, 14315, 34765, 48671, 71575, 173825, 243355, 1216775]

約数ペア:

[(1, 1216775), (5, 243355), (7, 173825), (17, 71575), (25, 48671), (35, 34765), (85, 14315), (119, 10225), (175, 6953), (409, 2975), (425, 2863), (595, 2045)]