128897658

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{311347}}^1$

素因数の和:311378

約数の個数: 24

約数和(自身を含む): 291421728

約数和(自身を除く): 162524070

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 311347, 622694, 934041, 1868082, 2802123, 5604246, 7160981, 14321962, 21482943, 42965886, 64448829, 128897658]

約数ペア:

[(1, 128897658), (2, 64448829), (3, 42965886), (6, 21482943), (9, 14321962), (18, 7160981), (23, 5604246), (46, 2802123), (69, 1868082), (138, 934041), (207, 622694), (414, 311347)]