13121456

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{28279}}^1$

素因数の和:28316

約数の個数: 20

約数和(自身を含む): 26300400

約数和(自身を除く): 13178944

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 28279, 56558, 113116, 226232, 452464, 820091, 1640182, 3280364, 6560728, 13121456]

約数ペア:

[(1, 13121456), (2, 6560728), (4, 3280364), (8, 1640182), (16, 820091), (29, 452464), (58, 226232), (116, 113116), (232, 56558), (464, 28279)]