857556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 2568384

約数和(自身を除く): 1710828

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 63, 82, 83, 84, 123, 126, 164, 166, 246, 249, 252, 287, 332, 369, 492, 498, 574, 581, 738, 747, 861, 996, 1148, 1162, 1476, 1494, 1722, 1743, 2324, 2583, 2988, 3403, 3444, 3486, 5166, 5229, 6806, 6972, 10209, 10332, 10458, 13612, 20418, 20916, 23821, 30627, 40836, 47642, 61254, 71463, 95284, 122508, 142926, 214389, 285852, 428778, 857556]

約数ペア:

[(1, 857556), (2, 428778), (3, 285852), (4, 214389), (6, 142926), (7, 122508), (9, 95284), (12, 71463), (14, 61254), (18, 47642), (21, 40836), (28, 30627), (36, 23821), (41, 20916), (42, 20418), (63, 13612), (82, 10458), (83, 10332), (84, 10209), (123, 6972), (126, 6806), (164, 5229), (166, 5166), (246, 3486), (249, 3444), (252, 3403), (287, 2988), (332, 2583), (369, 2324), (492, 1743), (498, 1722), (574, 1494), (581, 1476), (738, 1162), (747, 1148), (861, 996)]