28250656

素因数分解:

$2^5\times 7^2\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:486

約数の個数: 72

約数和(自身を含む): 66361680

約数和(自身を除く): 38111024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 49, 56, 86, 98, 112, 172, 196, 224, 301, 344, 392, 419, 602, 688, 784, 838, 1204, 1376, 1568, 1676, 2107, 2408, 2933, 3352, 4214, 4816, 5866, 6704, 8428, 9632, 11732, 13408, 16856, 18017, 20531, 23464, 33712, 36034, 41062, 46928, 67424, 72068, 82124, 93856, 126119, 144136, 164248, 252238, 288272, 328496, 504476, 576544, 656992, 882833, 1008952, 1765666, 2017904, 3531332, 4035808, 7062664, 14125328, 28250656]

約数ペア:

[(1, 28250656), (2, 14125328), (4, 7062664), (7, 4035808), (8, 3531332), (14, 2017904), (16, 1765666), (28, 1008952), (32, 882833), (43, 656992), (49, 576544), (56, 504476), (86, 328496), (98, 288272), (112, 252238), (172, 164248), (196, 144136), (224, 126119), (301, 93856), (344, 82124), (392, 72068), (419, 67424), (602, 46928), (688, 41062), (784, 36034), (838, 33712), (1204, 23464), (1376, 20531), (1568, 18017), (1676, 16856), (2107, 13408), (2408, 11732), (2933, 9632), (3352, 8428), (4214, 6704), (4816, 5866)]