28475426

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{463}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 51314688

約数和(自身を除く): 22839262

約数列:

[1, 2, 7, 14, 23, 46, 161, 191, 322, 382, 463, 926, 1337, 2674, 3241, 4393, 6482, 8786, 10649, 21298, 30751, 61502, 74543, 88433, 149086, 176866, 619031, 1238062, 2033959, 4067918, 14237713, 28475426]

約数ペア:

[(1, 28475426), (2, 14237713), (7, 4067918), (14, 2033959), (23, 1238062), (46, 619031), (161, 176866), (191, 149086), (322, 88433), (382, 74543), (463, 61502), (926, 30751), (1337, 21298), (2674, 10649), (3241, 8786), (4393, 6482)]