1639347830

素因数分解:

$2^1\times 5^1\times {\mathrm{8999}}^1\times {\mathrm{18217}}^1$

素因数の和:27223

約数の個数: 16

約数和(自身を含む): 2951316000

約数和(自身を除く): 1311968170

約数列:

[1, 2, 5, 10, 8999, 17998, 18217, 36434, 44995, 89990, 91085, 182170, 163934783, 327869566, 819673915, 1639347830]

約数ペア:

[(1, 1639347830), (2, 819673915), (5, 327869566), (10, 163934783), (8999, 182170), (17998, 91085), (18217, 89990), (36434, 44995)]