81282172

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{4547}}^1$

素因数の和:4701

約数の個数: 24

約数和(自身を含む): 147082320

約数和(自身を除く): 65800148

約数列:

[1, 2, 4, 41, 82, 109, 164, 218, 436, 4469, 4547, 8938, 9094, 17876, 18188, 186427, 372854, 495623, 745708, 991246, 1982492, 20320543, 40641086, 81282172]

約数ペア:

[(1, 81282172), (2, 40641086), (4, 20320543), (41, 1982492), (82, 991246), (109, 745708), (164, 495623), (218, 372854), (436, 186427), (4469, 18188), (4547, 17876), (8938, 9094)]