28704382

素因数分解:

$2^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{5113}}^1$

素因数の和:5523

約数の個数: 16

約数和(自身を含む): 49339872

約数和(自身を除く): 20635490

約数列:

[1, 2, 7, 14, 401, 802, 2807, 5113, 5614, 10226, 35791, 71582, 2050313, 4100626, 14352191, 28704382]

約数ペア:

[(1, 28704382), (2, 14352191), (7, 4100626), (14, 2050313), (401, 71582), (802, 35791), (2807, 10226), (5113, 5614)]