13478521

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{347}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 16035840

約数和(自身を除く): 2557319

約数列:

[1, 7, 31, 179, 217, 347, 1253, 2429, 5549, 10757, 38843, 62113, 75299, 434791, 1925503, 13478521]

約数ペア:

[(1, 13478521), (7, 1925503), (31, 434791), (179, 75299), (217, 62113), (347, 38843), (1253, 10757), (2429, 5549)]