28736978

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{2161}}^1$

素因数の和:2333

約数の個数: 16

約数和(自身を含む): 44234520

約数和(自身を除く): 15497542

約数列:

[1, 2, 61, 109, 122, 218, 2161, 4322, 6649, 13298, 131821, 235549, 263642, 471098, 14368489, 28736978]

約数ペア:

[(1, 28736978), (2, 14368489), (61, 471098), (109, 263642), (122, 235549), (218, 131821), (2161, 13298), (4322, 6649)]