8627778

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 19521216

約数和(自身を除く): 10893438

約数列:

[1, 2, 3, 6, 9, 18, 43, 71, 86, 129, 142, 157, 213, 258, 314, 387, 426, 471, 639, 774, 942, 1278, 1413, 2826, 3053, 6106, 6751, 9159, 11147, 13502, 18318, 20253, 22294, 27477, 33441, 40506, 54954, 60759, 66882, 100323, 121518, 200646, 479321, 958642, 1437963, 2875926, 4313889, 8627778]

約数ペア:

[(1, 8627778), (2, 4313889), (3, 2875926), (6, 1437963), (9, 958642), (18, 479321), (43, 200646), (71, 121518), (86, 100323), (129, 66882), (142, 60759), (157, 54954), (213, 40506), (258, 33441), (314, 27477), (387, 22294), (426, 20253), (471, 18318), (639, 13502), (774, 11147), (942, 9159), (1278, 6751), (1413, 6106), (2826, 3053)]