1990045778

素因数分解:

$2^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{262747}}^1$

素因数の和:263297

約数の個数: 16

約数和(自身を含む): 3417825984

約数和(自身を除く): 1427780206

約数列:

[1, 2, 7, 14, 541, 1082, 3787, 7574, 262747, 525494, 1839229, 3678458, 142146127, 284292254, 995022889, 1990045778]

約数ペア:

[(1, 1990045778), (2, 995022889), (7, 284292254), (14, 142146127), (541, 3678458), (1082, 1839229), (3787, 525494), (7574, 262747)]