81216156

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{31189}}^1$

素因数の和:31234

約数の個数: 48

約数和(自身を含む): 223569920

約数和(自身を除く): 142353764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 31189, 62378, 93567, 124756, 187134, 218323, 374268, 436646, 654969, 873292, 966859, 1309938, 1933718, 2619876, 2900577, 3867436, 5801154, 6768013, 11602308, 13536026, 20304039, 27072052, 40608078, 81216156]

約数ペア:

[(1, 81216156), (2, 40608078), (3, 27072052), (4, 20304039), (6, 13536026), (7, 11602308), (12, 6768013), (14, 5801154), (21, 3867436), (28, 2900577), (31, 2619876), (42, 1933718), (62, 1309938), (84, 966859), (93, 873292), (124, 654969), (186, 436646), (217, 374268), (372, 218323), (434, 187134), (651, 124756), (868, 93567), (1302, 62378), (2604, 31189)]