199426717

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 248832000

約数和(自身を除く): 49405283

約数列:

[1, 7, 19, 49, 71, 133, 343, 431, 497, 931, 1349, 3017, 3479, 6517, 8189, 9443, 21119, 24353, 30601, 57323, 66101, 147833, 214207, 401261, 462707, 581419, 1499449, 2808827, 4069933, 10496143, 28489531, 199426717]

約数ペア:

[(1, 199426717), (7, 28489531), (19, 10496143), (49, 4069933), (71, 2808827), (133, 1499449), (343, 581419), (431, 462707), (497, 401261), (931, 214207), (1349, 147833), (3017, 66101), (3479, 57323), (6517, 30601), (8189, 24353), (9443, 21119)]