81556132

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1847}}^1$

素因数の和:1960

約数の個数: 48

約数和(自身を含む): 173859840

約数和(自身を除く): 92303708

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 83, 133, 166, 266, 332, 532, 581, 1162, 1577, 1847, 2324, 3154, 3694, 6308, 7388, 11039, 12929, 22078, 25858, 35093, 44156, 51716, 70186, 140372, 153301, 245651, 306602, 491302, 613204, 982604, 1073107, 2146214, 2912719, 4292428, 5825438, 11650876, 20389033, 40778066, 81556132]

約数ペア:

[(1, 81556132), (2, 40778066), (4, 20389033), (7, 11650876), (14, 5825438), (19, 4292428), (28, 2912719), (38, 2146214), (76, 1073107), (83, 982604), (133, 613204), (166, 491302), (266, 306602), (332, 245651), (532, 153301), (581, 140372), (1162, 70186), (1577, 51716), (1847, 44156), (2324, 35093), (3154, 25858), (3694, 22078), (6308, 12929), (7388, 11039)]