826542788

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{639739}}^1$

素因数の和:639779

約数の個数: 24

約数和(自身を含む): 1612144800

約数和(自身を除く): 785602012

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 639739, 1279478, 2558956, 10875563, 12155041, 21751126, 24310082, 43502252, 48620164, 206635697, 413271394, 826542788]

約数ペア:

[(1, 826542788), (2, 413271394), (4, 206635697), (17, 48620164), (19, 43502252), (34, 24310082), (38, 21751126), (68, 12155041), (76, 10875563), (323, 2558956), (646, 1279478), (1292, 639739)]