28172683

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4111}}^1$

素因数の和:4218

約数の個数: 16

約数和(自身を含む): 35527680

約数和(自身を除く): 7354997

約数列:

[1, 7, 11, 77, 89, 623, 979, 4111, 6853, 28777, 45221, 316547, 365879, 2561153, 4024669, 28172683]

約数ペア:

[(1, 28172683), (7, 4024669), (11, 2561153), (77, 365879), (89, 316547), (623, 45221), (979, 28777), (4111, 6853)]