320684

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{881}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 691488

約数和(自身を除く): 370804

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 881, 1762, 3524, 6167, 11453, 12334, 22906, 24668, 45812, 80171, 160342, 320684]

約数ペア:

[(1, 320684), (2, 160342), (4, 80171), (7, 45812), (13, 24668), (14, 22906), (26, 12334), (28, 11453), (52, 6167), (91, 3524), (182, 1762), (364, 881)]