81698408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{19753}}^1$

素因数の和:19817

約数の個数: 32

約数和(自身を含む): 170674560

約数和(自身を除く): 88976152

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 188, 376, 517, 1034, 2068, 4136, 19753, 39506, 79012, 158024, 217283, 434566, 869132, 928391, 1738264, 1856782, 3713564, 7427128, 10212301, 20424602, 40849204, 81698408]

約数ペア:

[(1, 81698408), (2, 40849204), (4, 20424602), (8, 10212301), (11, 7427128), (22, 3713564), (44, 1856782), (47, 1738264), (88, 928391), (94, 869132), (188, 434566), (376, 217283), (517, 158024), (1034, 79012), (2068, 39506), (4136, 19753)]