213522988

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{8191}}^1$

素因数の和:8235

約数の個数: 48

約数和(自身を含む): 458752000

約数和(自身を除く): 245229012

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 343, 532, 686, 931, 1372, 1862, 3724, 6517, 8191, 13034, 16382, 26068, 32764, 57337, 114674, 155629, 229348, 311258, 401359, 622516, 802718, 1089403, 1605436, 2178806, 2809513, 4357612, 5619026, 7625821, 11238052, 15251642, 30503284, 53380747, 106761494, 213522988]

約数ペア:

[(1, 213522988), (2, 106761494), (4, 53380747), (7, 30503284), (14, 15251642), (19, 11238052), (28, 7625821), (38, 5619026), (49, 4357612), (76, 2809513), (98, 2178806), (133, 1605436), (196, 1089403), (266, 802718), (343, 622516), (532, 401359), (686, 311258), (931, 229348), (1372, 155629), (1862, 114674), (3724, 57337), (6517, 32764), (8191, 26068), (13034, 16382)]