89395990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1\times {\mathrm{647}}^1$

素因数の和:1032

約数の個数: 32

約数和(自身を含む): 165582144

約数和(自身を除く): 76186154

約数列:

[1, 2, 5, 10, 41, 82, 205, 337, 410, 647, 674, 1294, 1685, 3235, 3370, 6470, 13817, 26527, 27634, 53054, 69085, 132635, 138170, 218039, 265270, 436078, 1090195, 2180390, 8939599, 17879198, 44697995, 89395990]

約数ペア:

[(1, 89395990), (2, 44697995), (5, 17879198), (10, 8939599), (41, 2180390), (82, 1090195), (205, 436078), (337, 265270), (410, 218039), (647, 138170), (674, 132635), (1294, 69085), (1685, 53054), (3235, 27634), (3370, 26527), (6470, 13817)]