207721210

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{25301}}^1$

素因数の和:26129

約数の個数: 16

約数和(自身を含む): 374368392

約数和(自身を除く): 166647182

約数列:

[1, 2, 5, 10, 821, 1642, 4105, 8210, 25301, 50602, 126505, 253010, 20772121, 41544242, 103860605, 207721210]

約数ペア:

[(1, 207721210), (2, 103860605), (5, 41544242), (10, 20772121), (821, 253010), (1642, 126505), (4105, 50602), (8210, 25301)]