87181668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{997}}^1$

素因数の和:1361

約数の個数: 72

約数和(自身を含む): 252837312

約数和(自身を除く): 165655644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 347, 694, 997, 1041, 1388, 1994, 2082, 2429, 2991, 3123, 3988, 4164, 4858, 5982, 6246, 6979, 7287, 8973, 9716, 11964, 12492, 13958, 14574, 17946, 20937, 21861, 27916, 29148, 35892, 41874, 43722, 62811, 83748, 87444, 125622, 251244, 345959, 691918, 1037877, 1383836, 2075754, 2421713, 3113631, 4151508, 4843426, 6227262, 7265139, 9686852, 12454524, 14530278, 21795417, 29060556, 43590834, 87181668]

約数ペア:

[(1, 87181668), (2, 43590834), (3, 29060556), (4, 21795417), (6, 14530278), (7, 12454524), (9, 9686852), (12, 7265139), (14, 6227262), (18, 4843426), (21, 4151508), (28, 3113631), (36, 2421713), (42, 2075754), (63, 1383836), (84, 1037877), (126, 691918), (252, 345959), (347, 251244), (694, 125622), (997, 87444), (1041, 83748), (1388, 62811), (1994, 43722), (2082, 41874), (2429, 35892), (2991, 29148), (3123, 27916), (3988, 21861), (4164, 20937), (4858, 17946), (5982, 14574), (6246, 13958), (6979, 12492), (7287, 11964), (8973, 9716)]