308940247

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 418279680

約数和(自身を除く): 109339433

約数列:

[1, 7, 11, 19, 49, 77, 97, 133, 209, 311, 539, 679, 931, 1067, 1463, 1843, 2177, 3421, 4753, 5909, 7469, 10241, 12901, 15239, 20273, 23947, 30167, 41363, 52283, 64999, 90307, 141911, 167629, 211169, 289541, 331837, 454993, 573173, 993377, 1478183, 2322859, 3184951, 4012211, 6304903, 16260013, 28085477, 44134321, 308940247]

約数ペア:

[(1, 308940247), (7, 44134321), (11, 28085477), (19, 16260013), (49, 6304903), (77, 4012211), (97, 3184951), (133, 2322859), (209, 1478183), (311, 993377), (539, 573173), (679, 454993), (931, 331837), (1067, 289541), (1463, 211169), (1843, 167629), (2177, 141911), (3421, 90307), (4753, 64999), (5909, 52283), (7469, 41363), (10241, 30167), (12901, 23947), (15239, 20273)]