28208158

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{18059}}^1$

素因数の和:18143

約数の個数: 16

約数和(自身を含む): 46811520

約数和(自身を除く): 18603362

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 18059, 36118, 198649, 397298, 1282189, 2564378, 14104079, 28208158]

約数ペア:

[(1, 28208158), (2, 14104079), (11, 2564378), (22, 1282189), (71, 397298), (142, 198649), (781, 36118), (1562, 18059)]