399673876

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{839651}}^1$

素因数の和:839679

約数の個数: 24

約数和(自身を含む): 846369216

約数和(自身を除く): 446695340

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 839651, 1679302, 3358604, 5877557, 11755114, 14274067, 23510228, 28548134, 57096268, 99918469, 199836938, 399673876]

約数ペア:

[(1, 399673876), (2, 199836938), (4, 99918469), (7, 57096268), (14, 28548134), (17, 23510228), (28, 14274067), (34, 11755114), (68, 5877557), (119, 3358604), (238, 1679302), (476, 839651)]