28209478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{16231}}^1$

素因数の和:16323

約数の個数: 16

約数和(自身を含む): 46748160

約数和(自身を除く): 18538682

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 16231, 32462, 178541, 357082, 1282249, 2564498, 14104739, 28209478]

約数ペア:

[(1, 28209478), (2, 14104739), (11, 2564498), (22, 1282249), (79, 357082), (158, 178541), (869, 32462), (1738, 16231)]