72811508

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{21491}}^1$

素因数の和:21524

約数の個数: 36

約数和(自身を含む): 160072416

約数和(自身を除く): 87260908

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 21491, 42982, 85964, 150437, 236401, 300874, 472802, 601748, 945604, 1654807, 2600411, 3309614, 5200822, 6619228, 10401644, 18202877, 36405754, 72811508]

約数ペア:

[(1, 72811508), (2, 36405754), (4, 18202877), (7, 10401644), (11, 6619228), (14, 5200822), (22, 3309614), (28, 2600411), (44, 1654807), (77, 945604), (121, 601748), (154, 472802), (242, 300874), (308, 236401), (484, 150437), (847, 85964), (1694, 42982), (3388, 21491)]