218688372

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{123973}}^1$

素因数の和:123997

約数の個数: 54

約数和(自身を含む): 643053138

約数和(自身を除く): 424364766

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 123973, 247946, 371919, 495892, 743838, 867811, 1115757, 1487676, 1735622, 2231514, 2603433, 3471244, 4463028, 5206866, 6074677, 7810299, 10413732, 12149354, 15620598, 18224031, 24298708, 31241196, 36448062, 54672093, 72896124, 109344186, 218688372]

約数ペア:

[(1, 218688372), (2, 109344186), (3, 72896124), (4, 54672093), (6, 36448062), (7, 31241196), (9, 24298708), (12, 18224031), (14, 15620598), (18, 12149354), (21, 10413732), (28, 7810299), (36, 6074677), (42, 5206866), (49, 4463028), (63, 3471244), (84, 2603433), (98, 2231514), (126, 1735622), (147, 1487676), (196, 1115757), (252, 867811), (294, 743838), (441, 495892), (588, 371919), (882, 247946), (1764, 123973)]