81871188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{974657}}^1$

素因数の和:974671

約数の個数: 24

約数和(自身を含む): 218323392

約数和(自身を除く): 136452204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 974657, 1949314, 2923971, 3898628, 5847942, 6822599, 11695884, 13645198, 20467797, 27290396, 40935594, 81871188]

約数ペア:

[(1, 81871188), (2, 40935594), (3, 27290396), (4, 20467797), (6, 13645198), (7, 11695884), (12, 6822599), (14, 5847942), (21, 3898628), (28, 2923971), (42, 1949314), (84, 974657)]