28557438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 70920192

約数和(自身を除く): 42362754

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 193, 271, 273, 386, 542, 546, 579, 813, 1158, 1351, 1626, 1897, 2509, 2702, 3523, 3794, 4053, 5018, 5691, 7046, 7527, 8106, 10569, 11382, 15054, 17563, 21138, 24661, 35126, 49322, 52303, 52689, 73983, 104606, 105378, 147966, 156909, 313818, 366121, 679939, 732242, 1098363, 1359878, 2039817, 2196726, 4079634, 4759573, 9519146, 14278719, 28557438]

約数ペア:

[(1, 28557438), (2, 14278719), (3, 9519146), (6, 4759573), (7, 4079634), (13, 2196726), (14, 2039817), (21, 1359878), (26, 1098363), (39, 732242), (42, 679939), (78, 366121), (91, 313818), (182, 156909), (193, 147966), (271, 105378), (273, 104606), (386, 73983), (542, 52689), (546, 52303), (579, 49322), (813, 35126), (1158, 24661), (1351, 21138), (1626, 17563), (1897, 15054), (2509, 11382), (2702, 10569), (3523, 8106), (3794, 7527), (4053, 7046), (5018, 5691)]