397214134

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{20347}}^1$

素因数の和:20619

約数の個数: 16

約数和(自身を含む): 612393408

約数和(自身を除く): 215179274

約数列:

[1, 2, 43, 86, 227, 454, 9761, 19522, 20347, 40694, 874921, 1749842, 4618769, 9237538, 198607067, 397214134]

約数ペア:

[(1, 397214134), (2, 198607067), (43, 9237538), (86, 4618769), (227, 1749842), (454, 874921), (9761, 40694), (19522, 20347)]