81389074

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{419}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 136604160

約数和(自身を除く): 55215086

約数列:

[1, 2, 13, 26, 31, 62, 241, 403, 419, 482, 806, 838, 3133, 5447, 6266, 7471, 10894, 12989, 14942, 25978, 97123, 100979, 168857, 194246, 201958, 337714, 1312727, 2625454, 3130349, 6260698, 40694537, 81389074]

約数ペア:

[(1, 81389074), (2, 40694537), (13, 6260698), (26, 3130349), (31, 2625454), (62, 1312727), (241, 337714), (403, 201958), (419, 194246), (482, 168857), (806, 100979), (838, 97123), (3133, 25978), (5447, 14942), (6266, 12989), (7471, 10894)]