28643945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{3449}}^1$

素因数の和:3616

約数の個数: 16

約数和(自身を含む): 37756800

約数和(自身を除く): 9112855

約数列:

[1, 5, 11, 55, 151, 755, 1661, 3449, 8305, 17245, 37939, 189695, 520799, 2603995, 5728789, 28643945]

約数ペア:

[(1, 28643945), (5, 5728789), (11, 2603995), (55, 520799), (151, 189695), (755, 37939), (1661, 17245), (3449, 8305)]