72913510

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{977}}^1$

素因数の和:1440

約数の個数: 32

約数和(自身を含む): 139423680

約数和(自身を除く): 66510170

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 439, 878, 977, 1954, 2195, 4390, 4885, 7463, 9770, 14926, 16609, 33218, 37315, 74630, 83045, 166090, 428903, 857806, 2144515, 4289030, 7291351, 14582702, 36456755, 72913510]

約数ペア:

[(1, 72913510), (2, 36456755), (5, 14582702), (10, 7291351), (17, 4289030), (34, 2144515), (85, 857806), (170, 428903), (439, 166090), (878, 83045), (977, 74630), (1954, 37315), (2195, 33218), (4390, 16609), (4885, 14926), (7463, 9770)]