201671771

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 250060800

約数和(自身を除く): 48389029

約数列:

[1, 7, 29, 31, 73, 203, 217, 439, 511, 899, 2117, 2263, 3073, 6293, 12731, 13609, 14819, 15841, 32047, 65627, 89117, 95263, 224329, 394661, 459389, 929363, 993457, 2762627, 6505541, 6954199, 28810253, 201671771]

約数ペア:

[(1, 201671771), (7, 28810253), (29, 6954199), (31, 6505541), (73, 2762627), (203, 993457), (217, 929363), (439, 459389), (511, 394661), (899, 224329), (2117, 95263), (2263, 89117), (3073, 65627), (6293, 32047), (12731, 15841), (13609, 14819)]