397348

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 830592

約数和(自身を除く): 433244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 617, 644, 1234, 2468, 4319, 8638, 14191, 17276, 28382, 56764, 99337, 198674, 397348]

約数ペア:

[(1, 397348), (2, 198674), (4, 99337), (7, 56764), (14, 28382), (23, 17276), (28, 14191), (46, 8638), (92, 4319), (161, 2468), (322, 1234), (617, 644)]