397383410

素因数分解:

$2^1\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{38921}}^1$

素因数の和:39949

約数の個数: 16

約数和(自身を含む): 716009112

約数和(自身を除く): 318625702

約数列:

[1, 2, 5, 10, 1021, 2042, 5105, 10210, 38921, 77842, 194605, 389210, 39738341, 79476682, 198691705, 397383410]

約数ペア:

[(1, 397383410), (2, 198691705), (5, 79476682), (10, 39738341), (1021, 389210), (2042, 194605), (5105, 77842), (10210, 38921)]