78980811

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1499}}^1$

素因数の和:1715

約数の個数: 32

約数和(自身を含む): 130368000

約数和(自身を除く): 51387189

約数列:

[1, 3, 7, 13, 21, 39, 91, 193, 273, 579, 1351, 1499, 2509, 4053, 4497, 7527, 10493, 17563, 19487, 31479, 52689, 58461, 136409, 289307, 409227, 867921, 2025149, 3760991, 6075447, 11282973, 26326937, 78980811]

約数ペア:

[(1, 78980811), (3, 26326937), (7, 11282973), (13, 6075447), (21, 3760991), (39, 2025149), (91, 867921), (193, 409227), (273, 289307), (579, 136409), (1351, 58461), (1499, 52689), (2509, 31479), (4053, 19487), (4497, 17563), (7527, 10493)]