81498396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{970219}}^1$

素因数の和:970233

約数の個数: 24

約数和(自身を含む): 217329280

約数和(自身を除く): 135830884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 970219, 1940438, 2910657, 3880876, 5821314, 6791533, 11642628, 13583066, 20374599, 27166132, 40749198, 81498396]

約数ペア:

[(1, 81498396), (2, 40749198), (3, 27166132), (4, 20374599), (6, 13583066), (7, 11642628), (12, 6791533), (14, 5821314), (21, 3880876), (28, 2910657), (42, 1940438), (84, 970219)]