81700578

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:819

約数の個数: 48

約数和(自身を含む): 181575576

約数和(自身を除く): 99874998

約数列:

[1, 2, 3, 6, 9, 18, 73, 97, 146, 194, 219, 291, 438, 582, 641, 657, 873, 1282, 1314, 1746, 1923, 3846, 5769, 7081, 11538, 14162, 21243, 42486, 46793, 62177, 63729, 93586, 124354, 127458, 140379, 186531, 280758, 373062, 421137, 559593, 842274, 1119186, 4538921, 9077842, 13616763, 27233526, 40850289, 81700578]

約数ペア:

[(1, 81700578), (2, 40850289), (3, 27233526), (6, 13616763), (9, 9077842), (18, 4538921), (73, 1119186), (97, 842274), (146, 559593), (194, 421137), (219, 373062), (291, 280758), (438, 186531), (582, 140379), (641, 127458), (657, 124354), (873, 93586), (1282, 63729), (1314, 62177), (1746, 46793), (1923, 42486), (3846, 21243), (5769, 14162), (7081, 11538)]