128910908

素因数分解:

$2^2\times 7^1\times {\mathrm{1697}}^1\times {\mathrm{2713}}^1$

素因数の和:4421

約数の個数: 24

約数和(自身を含む): 258068832

約数和(自身を除く): 129157924

約数列:

[1, 2, 4, 7, 14, 28, 1697, 2713, 3394, 5426, 6788, 10852, 11879, 18991, 23758, 37982, 47516, 75964, 4603961, 9207922, 18415844, 32227727, 64455454, 128910908]

約数ペア:

[(1, 128910908), (2, 64455454), (4, 32227727), (7, 18415844), (14, 9207922), (28, 4603961), (1697, 75964), (2713, 47516), (3394, 37982), (5426, 23758), (6788, 18991), (10852, 11879)]