81646312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^2$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 173393280

約数和(自身を除く): 91746968

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 173, 248, 341, 346, 682, 692, 1364, 1384, 1903, 2728, 3806, 5363, 7612, 10726, 15224, 21452, 29929, 42904, 58993, 59858, 117986, 119716, 235972, 239432, 329219, 471944, 658438, 927799, 1316876, 1855598, 2633752, 3711196, 7422392, 10205789, 20411578, 40823156, 81646312]

約数ペア:

[(1, 81646312), (2, 40823156), (4, 20411578), (8, 10205789), (11, 7422392), (22, 3711196), (31, 2633752), (44, 1855598), (62, 1316876), (88, 927799), (124, 658438), (173, 471944), (248, 329219), (341, 239432), (346, 235972), (682, 119716), (692, 117986), (1364, 59858), (1384, 58993), (1903, 42904), (2728, 29929), (3806, 21452), (5363, 15224), (7612, 10726)]