28507138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{7159}}^1$

素因数の和:7353

約数の個数: 16

約数和(自身を含む): 46912320

約数和(自身を除く): 18405182

約数列:

[1, 2, 11, 22, 181, 362, 1991, 3982, 7159, 14318, 78749, 157498, 1295779, 2591558, 14253569, 28507138]

約数ペア:

[(1, 28507138), (2, 14253569), (11, 2591558), (22, 1295779), (181, 157498), (362, 78749), (1991, 14318), (3982, 7159)]