81278862

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 192497664

約数和(自身を除く): 111218802

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 193, 222, 259, 271, 386, 518, 542, 579, 777, 813, 1158, 1351, 1554, 1626, 1897, 2702, 3794, 4053, 5691, 7141, 8106, 10027, 11382, 14282, 20054, 21423, 30081, 42846, 49987, 52303, 60162, 70189, 99974, 104606, 140378, 149961, 156909, 210567, 299922, 313818, 366121, 421134, 732242, 1098363, 1935211, 2196726, 3870422, 5805633, 11611266, 13546477, 27092954, 40639431, 81278862]

約数ペア:

[(1, 81278862), (2, 40639431), (3, 27092954), (6, 13546477), (7, 11611266), (14, 5805633), (21, 3870422), (37, 2196726), (42, 1935211), (74, 1098363), (111, 732242), (193, 421134), (222, 366121), (259, 313818), (271, 299922), (386, 210567), (518, 156909), (542, 149961), (579, 140378), (777, 104606), (813, 99974), (1158, 70189), (1351, 60162), (1554, 52303), (1626, 49987), (1897, 42846), (2702, 30081), (3794, 21423), (4053, 20054), (5691, 14282), (7141, 11382), (8106, 10027)]