71831305

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1187}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 113762880

約数和(自身を除く): 41931575

約数列:

[1, 5, 7, 13, 19, 35, 49, 65, 91, 95, 133, 245, 247, 455, 637, 665, 931, 1187, 1235, 1729, 3185, 4655, 5935, 8309, 8645, 12103, 15431, 22553, 41545, 58163, 60515, 77155, 108017, 112765, 157871, 290815, 293189, 540085, 756119, 789355, 1105097, 1465945, 2052323, 3780595, 5525485, 10261615, 14366261, 71831305]

約数ペア:

[(1, 71831305), (5, 14366261), (7, 10261615), (13, 5525485), (19, 3780595), (35, 2052323), (49, 1465945), (65, 1105097), (91, 789355), (95, 756119), (133, 540085), (245, 293189), (247, 290815), (455, 157871), (637, 112765), (665, 108017), (931, 77155), (1187, 60515), (1235, 58163), (1729, 41545), (3185, 22553), (4655, 15431), (5935, 12103), (8309, 8645)]