16887290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 38444544

約数和(自身を除く): 21557254

約数列:

[1, 2, 5, 7, 10, 14, 17, 23, 34, 35, 46, 70, 85, 115, 119, 161, 170, 230, 238, 322, 391, 595, 617, 782, 805, 1190, 1234, 1610, 1955, 2737, 3085, 3910, 4319, 5474, 6170, 8638, 10489, 13685, 14191, 20978, 21595, 27370, 28382, 43190, 52445, 70955, 73423, 99337, 104890, 141910, 146846, 198674, 241247, 367115, 482494, 496685, 734230, 993370, 1206235, 1688729, 2412470, 3377458, 8443645, 16887290]

約数ペア:

[(1, 16887290), (2, 8443645), (5, 3377458), (7, 2412470), (10, 1688729), (14, 1206235), (17, 993370), (23, 734230), (34, 496685), (35, 482494), (46, 367115), (70, 241247), (85, 198674), (115, 146846), (119, 141910), (161, 104890), (170, 99337), (230, 73423), (238, 70955), (322, 52445), (391, 43190), (595, 28382), (617, 27370), (782, 21595), (805, 20978), (1190, 14191), (1234, 13685), (1610, 10489), (1955, 8638), (2737, 6170), (3085, 5474), (3910, 4319)]