128465624

素因数分解:

$2^3\times 7^1\times {\mathrm{421}}^1\times {\mathrm{5449}}^1$

素因数の和:5883

約数の個数: 32

約数和(自身を含む): 275988000

約数和(自身を除く): 147522376

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 421, 842, 1684, 2947, 3368, 5449, 5894, 10898, 11788, 21796, 23576, 38143, 43592, 76286, 152572, 305144, 2294029, 4588058, 9176116, 16058203, 18352232, 32116406, 64232812, 128465624]

約数ペア:

[(1, 128465624), (2, 64232812), (4, 32116406), (7, 18352232), (8, 16058203), (14, 9176116), (28, 4588058), (56, 2294029), (421, 305144), (842, 152572), (1684, 76286), (2947, 43592), (3368, 38143), (5449, 23576), (5894, 21796), (10898, 11788)]