77870678

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 123552000

約数和(自身を除く): 45681322

約数列:

[1, 2, 43, 59, 86, 103, 118, 149, 206, 298, 2537, 4429, 5074, 6077, 6407, 8791, 8858, 12154, 12814, 15347, 17582, 30694, 261311, 378013, 522622, 659921, 756026, 905473, 1319842, 1810946, 38935339, 77870678]

約数ペア:

[(1, 77870678), (2, 38935339), (43, 1810946), (59, 1319842), (86, 905473), (103, 756026), (118, 659921), (149, 522622), (206, 378013), (298, 261311), (2537, 30694), (4429, 17582), (5074, 15347), (6077, 12814), (6407, 12154), (8791, 8858)]