128567768

素因数分解:

$2^3\times 7^2\times {\mathrm{327979}}^1$

素因数の和:327999

約数の個数: 24

約数和(自身を含む): 280422900

約数和(自身を除く): 151855132

約数列:

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

約数ペア:

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