201020155

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2579}}^1$

素因数の和:2739

約数の個数: 32

約数和(自身を含む): 294243840

約数和(自身を除く): 93223685

約数列:

[1, 5, 7, 17, 35, 85, 119, 131, 595, 655, 917, 2227, 2579, 4585, 11135, 12895, 15589, 18053, 43843, 77945, 90265, 219215, 306901, 337849, 1534505, 1689245, 2364943, 5743433, 11824715, 28717165, 40204031, 201020155]

約数ペア:

[(1, 201020155), (5, 40204031), (7, 28717165), (17, 11824715), (35, 5743433), (85, 2364943), (119, 1689245), (131, 1534505), (595, 337849), (655, 306901), (917, 219215), (2227, 90265), (2579, 77945), (4585, 43843), (11135, 18053), (12895, 15589)]