81843256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{4721}}^1$

素因数の和:4935

約数の個数: 32

約数和(自身を含む): 168292080

約数和(自身を除く): 86448824

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 197, 394, 788, 1576, 2167, 4334, 4721, 8668, 9442, 17336, 18884, 37768, 51931, 103862, 207724, 415448, 930037, 1860074, 3720148, 7440296, 10230407, 20460814, 40921628, 81843256]

約数ペア:

[(1, 81843256), (2, 40921628), (4, 20460814), (8, 10230407), (11, 7440296), (22, 3720148), (44, 1860074), (88, 930037), (197, 415448), (394, 207724), (788, 103862), (1576, 51931), (2167, 37768), (4334, 18884), (4721, 17336), (8668, 9442)]