71821295

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6863}}^1$

素因数の和:6911

約数の個数: 32

約数和(自身を含む): 110702592

約数和(自身を除く): 38881297

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 115, 161, 299, 455, 805, 1495, 2093, 6863, 10465, 34315, 48041, 89219, 157849, 240205, 446095, 624533, 789245, 1104943, 2052037, 3122665, 5524715, 10260185, 14364259, 71821295]

約数ペア:

[(1, 71821295), (5, 14364259), (7, 10260185), (13, 5524715), (23, 3122665), (35, 2052037), (65, 1104943), (91, 789245), (115, 624533), (161, 446095), (299, 240205), (455, 157849), (805, 89219), (1495, 48041), (2093, 34315), (6863, 10465)]