28667834

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 48399120

約数和(自身を除く): 19731286

約数列:

[1, 2, 13, 26, 29, 58, 193, 197, 377, 386, 394, 754, 2509, 2561, 5018, 5122, 5597, 5713, 11194, 11426, 38021, 72761, 74269, 76042, 145522, 148538, 494273, 988546, 1102609, 2205218, 14333917, 28667834]

約数ペア:

[(1, 28667834), (2, 14333917), (13, 2205218), (26, 1102609), (29, 988546), (58, 494273), (193, 148538), (197, 145522), (377, 76042), (386, 74269), (394, 72761), (754, 38021), (2509, 11426), (2561, 11194), (5018, 5713), (5122, 5597)]