81309768

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{47717}}^1$

素因数の和:47797

約数の個数: 32

約数和(自身を含む): 206141760

約数和(自身を除く): 124831992

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 47717, 95434, 143151, 190868, 286302, 381736, 572604, 1145208, 3387907, 6775814, 10163721, 13551628, 20327442, 27103256, 40654884, 81309768]

約数ペア:

[(1, 81309768), (2, 40654884), (3, 27103256), (4, 20327442), (6, 13551628), (8, 10163721), (12, 6775814), (24, 3387907), (71, 1145208), (142, 572604), (213, 381736), (284, 286302), (426, 190868), (568, 143151), (852, 95434), (1704, 47717)]