8121278

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{907}}^1$

素因数の和:968

約数の個数: 24

約数和(自身を含む): 13767096

約数和(自身を除く): 5645818

約数列:

[1, 2, 11, 22, 37, 74, 121, 242, 407, 814, 907, 1814, 4477, 8954, 9977, 19954, 33559, 67118, 109747, 219494, 369149, 738298, 4060639, 8121278]

約数ペア:

[(1, 8121278), (2, 4060639), (11, 738298), (22, 369149), (37, 219494), (74, 109747), (121, 67118), (242, 33559), (407, 19954), (814, 9977), (907, 8954), (1814, 4477)]