1279739378

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{67447}}^1$

素因数の和:67681

約数の個数: 16

約数和(自身を含む): 1966783680

約数和(自身を除く): 687044302

約数列:

[1, 2, 53, 106, 179, 358, 9487, 18974, 67447, 134894, 3574691, 7149382, 12073013, 24146026, 639869689, 1279739378]

約数ペア:

[(1, 1279739378), (2, 639869689), (53, 24146026), (106, 12073013), (179, 7149382), (358, 3574691), (9487, 134894), (18974, 67447)]