81191726

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:246

約数の個数: 72

約数和(自身を含む): 160474608

約数和(自身を除く): 79282882

約数列:

[1, 2, 7, 11, 14, 22, 41, 49, 77, 82, 98, 121, 154, 167, 242, 287, 334, 451, 539, 574, 847, 902, 1078, 1169, 1694, 1837, 2009, 2338, 3157, 3674, 4018, 4961, 5929, 6314, 6847, 8183, 9922, 11858, 12859, 13694, 16366, 20207, 22099, 25718, 34727, 40414, 44198, 47929, 69454, 75317, 90013, 95858, 141449, 150634, 180026, 243089, 282898, 335503, 486178, 527219, 671006, 828487, 990143, 1054438, 1656974, 1980286, 3690533, 5799409, 7381066, 11598818, 40595863, 81191726]

約数ペア:

[(1, 81191726), (2, 40595863), (7, 11598818), (11, 7381066), (14, 5799409), (22, 3690533), (41, 1980286), (49, 1656974), (77, 1054438), (82, 990143), (98, 828487), (121, 671006), (154, 527219), (167, 486178), (242, 335503), (287, 282898), (334, 243089), (451, 180026), (539, 150634), (574, 141449), (847, 95858), (902, 90013), (1078, 75317), (1169, 69454), (1694, 47929), (1837, 44198), (2009, 40414), (2338, 34727), (3157, 25718), (3674, 22099), (4018, 20207), (4961, 16366), (5929, 13694), (6314, 12859), (6847, 11858), (8183, 9922)]