28300978

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{991}}^1$

素因数の和:1233

約数の個数: 16

約数和(自身を含む): 43211520

約数和(自身を除く): 14910542

約数列:

[1, 2, 109, 131, 218, 262, 991, 1982, 14279, 28558, 108019, 129821, 216038, 259642, 14150489, 28300978]

約数ペア:

[(1, 28300978), (2, 14150489), (109, 259642), (131, 216038), (218, 129821), (262, 108019), (991, 28558), (1982, 14279)]