128245684

素因数分解:

$2^2\times 7^1\times {\mathrm{1697}}^1\times {\mathrm{2699}}^1$

素因数の和:4407

約数の個数: 24

約数和(自身を含む): 256737600

約数和(自身を除く): 128491916

約数列:

[1, 2, 4, 7, 14, 28, 1697, 2699, 3394, 5398, 6788, 10796, 11879, 18893, 23758, 37786, 47516, 75572, 4580203, 9160406, 18320812, 32061421, 64122842, 128245684]

約数ペア:

[(1, 128245684), (2, 64122842), (4, 32061421), (7, 18320812), (14, 9160406), (28, 4580203), (1697, 75572), (2699, 47516), (3394, 37786), (5398, 23758), (6788, 18893), (10796, 11879)]