138625312

素因数分解:

$2^5\times 7^2\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:654

約数の個数: 72

約数和(自身を含む): 319742640

約数和(自身を除く): 181117328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 211, 224, 392, 419, 422, 784, 838, 844, 1477, 1568, 1676, 1688, 2933, 2954, 3352, 3376, 5866, 5908, 6704, 6752, 10339, 11732, 11816, 13408, 20531, 20678, 23464, 23632, 41062, 41356, 46928, 47264, 82124, 82712, 88409, 93856, 164248, 165424, 176818, 328496, 330848, 353636, 618863, 656992, 707272, 1237726, 1414544, 2475452, 2829088, 4332041, 4950904, 8664082, 9901808, 17328164, 19803616, 34656328, 69312656, 138625312]

約数ペア:

[(1, 138625312), (2, 69312656), (4, 34656328), (7, 19803616), (8, 17328164), (14, 9901808), (16, 8664082), (28, 4950904), (32, 4332041), (49, 2829088), (56, 2475452), (98, 1414544), (112, 1237726), (196, 707272), (211, 656992), (224, 618863), (392, 353636), (419, 330848), (422, 328496), (784, 176818), (838, 165424), (844, 164248), (1477, 93856), (1568, 88409), (1676, 82712), (1688, 82124), (2933, 47264), (2954, 46928), (3352, 41356), (3376, 41062), (5866, 23632), (5908, 23464), (6704, 20678), (6752, 20531), (10339, 13408), (11732, 11816)]