28811555

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1231}}^1$

素因数の和:1418

約数の個数: 16

約数和(自身を含む): 35954688

約数和(自身を除く): 7143133

約数列:

[1, 5, 31, 151, 155, 755, 1231, 4681, 6155, 23405, 38161, 185881, 190805, 929405, 5762311, 28811555]

約数ペア:

[(1, 28811555), (5, 5762311), (31, 929405), (151, 190805), (155, 185881), (755, 38161), (1231, 23405), (4681, 6155)]