989888810

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2302067}}^1$

素因数の和:2302117

約数の個数: 16

約数和(自身を含む): 1823237856

約数和(自身を除く): 833349046

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 2302067, 4604134, 11510335, 23020670, 98988881, 197977762, 494944405, 989888810]

約数ペア:

[(1, 989888810), (2, 494944405), (5, 197977762), (10, 98988881), (43, 23020670), (86, 11510335), (215, 4604134), (430, 2302067)]