81647378

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1\times {\mathrm{3557}}^1$

素因数の和:4081

約数の個数: 16

約数和(自身を含む): 128088000

約数和(自身を除く): 46440622

約数列:

[1, 2, 23, 46, 499, 998, 3557, 7114, 11477, 22954, 81811, 163622, 1774943, 3549886, 40823689, 81647378]

約数ペア:

[(1, 81647378), (2, 40823689), (23, 3549886), (46, 1774943), (499, 163622), (998, 81811), (3557, 22954), (7114, 11477)]