51720354

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5623}}^1$

素因数の和:5711

約数の個数: 48

約数和(自身を含む): 129846912

約数和(自身を除く): 78126558

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 73, 126, 146, 219, 438, 511, 657, 1022, 1314, 1533, 3066, 4599, 5623, 9198, 11246, 16869, 33738, 39361, 50607, 78722, 101214, 118083, 236166, 354249, 410479, 708498, 820958, 1231437, 2462874, 2873353, 3694311, 5746706, 7388622, 8620059, 17240118, 25860177, 51720354]

約数ペア:

[(1, 51720354), (2, 25860177), (3, 17240118), (6, 8620059), (7, 7388622), (9, 5746706), (14, 3694311), (18, 2873353), (21, 2462874), (42, 1231437), (63, 820958), (73, 708498), (126, 410479), (146, 354249), (219, 236166), (438, 118083), (511, 101214), (657, 78722), (1022, 50607), (1314, 39361), (1533, 33738), (3066, 16869), (4599, 11246), (5623, 9198)]