81871118

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{201653}}^1$

素因数の和:201691

約数の個数: 16

約数和(自身を含む): 145190880

約数和(自身を除く): 63319762

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 201653, 403306, 1411571, 2823142, 5847937, 11695874, 40935559, 81871118]

約数ペア:

[(1, 81871118), (2, 40935559), (7, 11695874), (14, 5847937), (29, 2823142), (58, 1411571), (203, 403306), (406, 201653)]