81500914

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 143337600

約数和(自身を除く): 61836686

約数列:

[1, 2, 11, 22, 23, 46, 47, 94, 149, 253, 298, 506, 517, 529, 1034, 1058, 1081, 1639, 2162, 3278, 3427, 5819, 6854, 7003, 11638, 11891, 14006, 23782, 24863, 37697, 49726, 75394, 77033, 78821, 154066, 157642, 161069, 273493, 322138, 546986, 867031, 1734062, 1771759, 3543518, 3704587, 7409174, 40750457, 81500914]

約数ペア:

[(1, 81500914), (2, 40750457), (11, 7409174), (22, 3704587), (23, 3543518), (46, 1771759), (47, 1734062), (94, 867031), (149, 546986), (253, 322138), (298, 273493), (506, 161069), (517, 157642), (529, 154066), (1034, 78821), (1058, 77033), (1081, 75394), (1639, 49726), (2162, 37697), (3278, 24863), (3427, 23782), (5819, 14006), (6854, 11891), (7003, 11638)]