1641906

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 4140864

約数和(自身を除く): 2498958

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 83, 126, 157, 166, 249, 314, 471, 498, 581, 747, 942, 1099, 1162, 1413, 1494, 1743, 2198, 2826, 3297, 3486, 5229, 6594, 9891, 10458, 13031, 19782, 26062, 39093, 78186, 91217, 117279, 182434, 234558, 273651, 547302, 820953, 1641906]

約数ペア:

[(1, 1641906), (2, 820953), (3, 547302), (6, 273651), (7, 234558), (9, 182434), (14, 117279), (18, 91217), (21, 78186), (42, 39093), (63, 26062), (83, 19782), (126, 13031), (157, 10458), (166, 9891), (249, 6594), (314, 5229), (471, 3486), (498, 3297), (581, 2826), (747, 2198), (942, 1743), (1099, 1494), (1162, 1413)]