678877630

素因数分解:

$2^1\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{52667}}^1$

素因数の和:53963

約数の個数: 16

約数和(自身を含む): 1222950960

約数和(自身を除く): 544073330

約数列:

[1, 2, 5, 10, 1289, 2578, 6445, 12890, 52667, 105334, 263335, 526670, 67887763, 135775526, 339438815, 678877630]

約数ペア:

[(1, 678877630), (2, 339438815), (5, 135775526), (10, 67887763), (1289, 526670), (2578, 263335), (6445, 105334), (12890, 52667)]