81308528

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16883}}^1$

素因数の和:16941

約数の個数: 40

約数和(自身を含む): 184238208

約数和(自身を除く): 102929680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4816, 16883, 33766, 67532, 118181, 135064, 236362, 270128, 472724, 725969, 945448, 1451938, 1890896, 2903876, 5081783, 5807752, 10163566, 11615504, 20327132, 40654264, 81308528]

約数ペア:

[(1, 81308528), (2, 40654264), (4, 20327132), (7, 11615504), (8, 10163566), (14, 5807752), (16, 5081783), (28, 2903876), (43, 1890896), (56, 1451938), (86, 945448), (112, 725969), (172, 472724), (301, 270128), (344, 236362), (602, 135064), (688, 118181), (1204, 67532), (2408, 33766), (4816, 16883)]