397325566

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{66643}}^1$

素因数の和:66927

約数の個数: 16

約数和(自身を含む): 652578048

約数和(自身を除く): 255252482

約数列:

[1, 2, 11, 22, 271, 542, 2981, 5962, 66643, 133286, 733073, 1466146, 18060253, 36120506, 198662783, 397325566]

約数ペア:

[(1, 397325566), (2, 198662783), (11, 36120506), (22, 18060253), (271, 1466146), (542, 733073), (2981, 133286), (5962, 66643)]