28120302

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3331}}^1$

素因数の和:3413

約数の個数: 48

約数和(自身を含む): 70691712

約数和(自身を除く): 42571410

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 67, 126, 134, 201, 402, 469, 603, 938, 1206, 1407, 2814, 3331, 4221, 6662, 8442, 9993, 19986, 23317, 29979, 46634, 59958, 69951, 139902, 209853, 223177, 419706, 446354, 669531, 1339062, 1562239, 2008593, 3124478, 4017186, 4686717, 9373434, 14060151, 28120302]

約数ペア:

[(1, 28120302), (2, 14060151), (3, 9373434), (6, 4686717), (7, 4017186), (9, 3124478), (14, 2008593), (18, 1562239), (21, 1339062), (42, 669531), (63, 446354), (67, 419706), (126, 223177), (134, 209853), (201, 139902), (402, 69951), (469, 59958), (603, 46634), (938, 29979), (1206, 23317), (1407, 19986), (2814, 9993), (3331, 8442), (4221, 6662)]