642000976

素因数分解:

$2^4\times {\mathrm{1063}}^1\times {\mathrm{37747}}^1$

素因数の和:38818

約数の個数: 20

約数和(自身を含む): 1245080032

約数和(自身を除く): 603079056

約数列:

[1, 2, 4, 8, 16, 1063, 2126, 4252, 8504, 17008, 37747, 75494, 150988, 301976, 603952, 40125061, 80250122, 160500244, 321000488, 642000976]

約数ペア:

[(1, 642000976), (2, 321000488), (4, 160500244), (8, 80250122), (16, 40125061), (1063, 603952), (2126, 301976), (4252, 150988), (8504, 75494), (17008, 37747)]