257135536

素因数分解:

$2^4\times 7^2\times {\mathrm{327979}}^1$

素因数の和:328001

約数の個数: 30

約数和(自身を含む): 579540660

約数和(自身を除く): 322405124

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 327979, 655958, 1311916, 2295853, 2623832, 4591706, 5247664, 9183412, 16070971, 18366824, 32141942, 36733648, 64283884, 128567768, 257135536]

約数ペア:

[(1, 257135536), (2, 128567768), (4, 64283884), (7, 36733648), (8, 32141942), (14, 18366824), (16, 16070971), (28, 9183412), (49, 5247664), (56, 4591706), (98, 2623832), (112, 2295853), (196, 1311916), (392, 655958), (784, 327979)]