81572316

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{971099}}^1$

素因数の和:971113

約数の個数: 24

約数和(自身を含む): 217526400

約数和(自身を除く): 135954084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 971099, 1942198, 2913297, 3884396, 5826594, 6797693, 11653188, 13595386, 20393079, 27190772, 40786158, 81572316]

約数ペア:

[(1, 81572316), (2, 40786158), (3, 27190772), (4, 20393079), (6, 13595386), (7, 11653188), (12, 6797693), (14, 5826594), (21, 3884396), (28, 2913297), (42, 1942198), (84, 971099)]