199972278

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{997}}^1\times {\mathrm{1013}}^1$

素因数の和:2029

約数の個数: 48

約数和(自身を含む): 473602896

約数和(自身を除く): 273630618

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 997, 1013, 1994, 2026, 2991, 3039, 5982, 6078, 8973, 9117, 10967, 11143, 17946, 18234, 21934, 22286, 32901, 33429, 65802, 66858, 98703, 100287, 197406, 200574, 1009961, 2019922, 3029883, 6059766, 9089649, 11109571, 18179298, 22219142, 33328713, 66657426, 99986139, 199972278]

約数ペア:

[(1, 199972278), (2, 99986139), (3, 66657426), (6, 33328713), (9, 22219142), (11, 18179298), (18, 11109571), (22, 9089649), (33, 6059766), (66, 3029883), (99, 2019922), (198, 1009961), (997, 200574), (1013, 197406), (1994, 100287), (2026, 98703), (2991, 66858), (3039, 65802), (5982, 33429), (6078, 32901), (8973, 22286), (9117, 21934), (10967, 18234), (11143, 17946)]