128843546

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{1999}}^1$

素因数の和:2118

約数の個数: 32

約数和(自身を含む): 217056000

約数和(自身を除く): 88212454

約数列:

[1, 2, 13, 26, 37, 67, 74, 134, 481, 871, 962, 1742, 1999, 2479, 3998, 4958, 25987, 32227, 51974, 64454, 73963, 133933, 147926, 267866, 961519, 1741129, 1923038, 3482258, 4955521, 9911042, 64421773, 128843546]

約数ペア:

[(1, 128843546), (2, 64421773), (13, 9911042), (26, 4955521), (37, 3482258), (67, 1923038), (74, 1741129), (134, 961519), (481, 267866), (871, 147926), (962, 133933), (1742, 73963), (1999, 64454), (2479, 51974), (3998, 32227), (4958, 25987)]