398978834

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{2281}}^1\times {\mathrm{4603}}^1$

素因数の和:6905

約数の個数: 16

約数和(自身を含む): 630379680

約数和(自身を除く): 231400846

約数列:

[1, 2, 19, 38, 2281, 4562, 4603, 9206, 43339, 86678, 87457, 174914, 10499443, 20998886, 199489417, 398978834]

約数ペア:

[(1, 398978834), (2, 199489417), (19, 20998886), (38, 10499443), (2281, 174914), (4562, 87457), (4603, 86678), (9206, 43339)]