642000386

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{412067}}^1$

素因数の和:412129

約数の個数: 16

約数和(自身を含む): 1038411360

約数和(自身を除く): 396410974

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 412067, 824134, 7829273, 15658546, 16894747, 33789494, 321000193, 642000386]

約数ペア:

[(1, 642000386), (2, 321000193), (19, 33789494), (38, 16894747), (41, 15658546), (82, 7829273), (779, 824134), (1558, 412067)]