8408666

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 15120000

約数和(自身を除く): 6711334

約数列:

[1, 2, 7, 14, 29, 58, 139, 149, 203, 278, 298, 406, 973, 1043, 1946, 2086, 4031, 4321, 8062, 8642, 20711, 28217, 30247, 41422, 56434, 60494, 144977, 289954, 600619, 1201238, 4204333, 8408666]

約数ペア:

[(1, 8408666), (2, 4204333), (7, 1201238), (14, 600619), (29, 289954), (58, 144977), (139, 60494), (149, 56434), (203, 41422), (278, 30247), (298, 28217), (406, 20711), (973, 8642), (1043, 8062), (1946, 4321), (2086, 4031)]