280009478

素因数分解:

$2^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{49877}}^1$

素因数の和:50287

約数の個数: 16

約数和(自身を含む): 481222944

約数和(自身を除く): 201213466

約数列:

[1, 2, 7, 14, 401, 802, 2807, 5614, 49877, 99754, 349139, 698278, 20000677, 40001354, 140004739, 280009478]

約数ペア:

[(1, 280009478), (2, 140004739), (7, 40001354), (14, 20000677), (401, 698278), (802, 349139), (2807, 99754), (5614, 49877)]