81941804

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1409}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 171816960

約数和(自身を除く): 89875156

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 67, 124, 134, 217, 268, 434, 469, 868, 938, 1409, 1876, 2077, 2818, 4154, 5636, 8308, 9863, 14539, 19726, 29078, 39452, 43679, 58156, 87358, 94403, 174716, 188806, 305753, 377612, 611506, 660821, 1223012, 1321642, 2643284, 2926493, 5852986, 11705972, 20485451, 40970902, 81941804]

約数ペア:

[(1, 81941804), (2, 40970902), (4, 20485451), (7, 11705972), (14, 5852986), (28, 2926493), (31, 2643284), (62, 1321642), (67, 1223012), (124, 660821), (134, 611506), (217, 377612), (268, 305753), (434, 188806), (469, 174716), (868, 94403), (938, 87358), (1409, 58156), (1876, 43679), (2077, 39452), (2818, 29078), (4154, 19726), (5636, 14539), (8308, 9863)]