78247090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{1039}}^1$

素因数の和:1506

約数の個数: 32

約数和(自身を含む): 149610240

約数和(自身を除く): 71363150

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 443, 886, 1039, 2078, 2215, 4430, 5195, 7531, 10390, 15062, 17663, 35326, 37655, 75310, 88315, 176630, 460277, 920554, 2301385, 4602770, 7824709, 15649418, 39123545, 78247090]

約数ペア:

[(1, 78247090), (2, 39123545), (5, 15649418), (10, 7824709), (17, 4602770), (34, 2301385), (85, 920554), (170, 460277), (443, 176630), (886, 88315), (1039, 75310), (2078, 37655), (2215, 35326), (4430, 17663), (5195, 15062), (7531, 10390)]