199895814

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^2\times {\mathrm{2203}}^1$

素因数の和:2353

約数の個数: 36

約数和(自身を含む): 439493028

約数和(自身を除く): 239597214

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 2203, 4406, 5041, 6609, 10082, 13218, 15123, 19827, 30246, 39654, 45369, 90738, 156413, 312826, 469239, 938478, 1407717, 2815434, 11105323, 22210646, 33315969, 66631938, 99947907, 199895814]

約数ペア:

[(1, 199895814), (2, 99947907), (3, 66631938), (6, 33315969), (9, 22210646), (18, 11105323), (71, 2815434), (142, 1407717), (213, 938478), (426, 469239), (639, 312826), (1278, 156413), (2203, 90738), (4406, 45369), (5041, 39654), (6609, 30246), (10082, 19827), (13218, 15123)]