78931011

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 112492800

約数和(自身を除く): 33561789

約数列:

[1, 3, 29, 61, 87, 107, 139, 183, 321, 417, 1769, 3103, 4031, 5307, 6527, 8479, 9309, 12093, 14873, 19581, 25437, 44619, 189283, 245891, 431317, 567849, 737673, 907253, 1293951, 2721759, 26310337, 78931011]

約数ペア:

[(1, 78931011), (3, 26310337), (29, 2721759), (61, 1293951), (87, 907253), (107, 737673), (139, 567849), (183, 431317), (321, 245891), (417, 189283), (1769, 44619), (3103, 25437), (4031, 19581), (5307, 14873), (6527, 12093), (8479, 9309)]