12811331315

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{379}}^1\times {\mathrm{1523}}^1$

素因数の和:2123

約数の個数: 32

約数和(自身を含む): 16178296320

約数和(自身を除く): 3366965005

約数列:

[1, 5, 23, 115, 193, 379, 965, 1523, 1895, 4439, 7615, 8717, 22195, 35029, 43585, 73147, 175145, 293939, 365735, 577217, 1469695, 1682381, 2886085, 6760597, 8411905, 13275991, 33802985, 66379955, 111402881, 557014405, 2562266263, 12811331315]

約数ペア:

[(1, 12811331315), (5, 2562266263), (23, 557014405), (115, 111402881), (193, 66379955), (379, 33802985), (965, 13275991), (1523, 8411905), (1895, 6760597), (4439, 2886085), (7615, 1682381), (8717, 1469695), (22195, 577217), (35029, 365735), (43585, 293939), (73147, 175145)]