28674802

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20809}}^1$

素因数の和:20877

約数の個数: 16

約数和(自身を含む): 47197080

約数和(自身を除く): 18522278

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 20809, 41618, 270517, 541034, 1102877, 2205754, 14337401, 28674802]

約数ペア:

[(1, 28674802), (2, 14337401), (13, 2205754), (26, 1102877), (53, 541034), (106, 270517), (689, 41618), (1378, 20809)]