81563612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1451}}^1$

素因数の和:1538

約数の個数: 48

約数和(自身を含む): 163924992

約数和(自身を除く): 82361380

約数列:

[1, 2, 4, 13, 23, 26, 46, 47, 52, 92, 94, 188, 299, 598, 611, 1081, 1196, 1222, 1451, 2162, 2444, 2902, 4324, 5804, 14053, 18863, 28106, 33373, 37726, 56212, 66746, 68197, 75452, 133492, 136394, 272788, 433849, 867698, 886561, 1568531, 1735396, 1773122, 3137062, 3546244, 6274124, 20390903, 40781806, 81563612]

約数ペア:

[(1, 81563612), (2, 40781806), (4, 20390903), (13, 6274124), (23, 3546244), (26, 3137062), (46, 1773122), (47, 1735396), (52, 1568531), (92, 886561), (94, 867698), (188, 433849), (299, 272788), (598, 136394), (611, 133492), (1081, 75452), (1196, 68197), (1222, 66746), (1451, 56212), (2162, 37726), (2444, 33373), (2902, 28106), (4324, 18863), (5804, 14053)]