12913901

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 18768960

約数和(自身を除く): 5855059

約数列:

[1, 7, 11, 13, 19, 49, 77, 91, 97, 133, 143, 209, 247, 539, 637, 679, 931, 1001, 1067, 1261, 1463, 1729, 1843, 2717, 4753, 7007, 7469, 8827, 10241, 12103, 12901, 13871, 19019, 20273, 23959, 52283, 61789, 90307, 97097, 133133, 141911, 167713, 263549, 679679, 993377, 1173991, 1844843, 12913901]

約数ペア:

[(1, 12913901), (7, 1844843), (11, 1173991), (13, 993377), (19, 679679), (49, 263549), (77, 167713), (91, 141911), (97, 133133), (133, 97097), (143, 90307), (209, 61789), (247, 52283), (539, 23959), (637, 20273), (679, 19019), (931, 13871), (1001, 12901), (1067, 12103), (1261, 10241), (1463, 8827), (1729, 7469), (1843, 7007), (2717, 4753)]