128384788

素因数分解:

$2^2\times 7^1\times {\mathrm{1103}}^1\times {\mathrm{4157}}^1$

素因数の和:5271

約数の個数: 24

約数和(自身を含む): 257064192

約数和(自身を除く): 128679404

約数列:

[1, 2, 4, 7, 14, 28, 1103, 2206, 4157, 4412, 7721, 8314, 15442, 16628, 29099, 30884, 58198, 116396, 4585171, 9170342, 18340684, 32096197, 64192394, 128384788]

約数ペア:

[(1, 128384788), (2, 64192394), (4, 32096197), (7, 18340684), (14, 9170342), (28, 4585171), (1103, 116396), (2206, 58198), (4157, 30884), (4412, 29099), (7721, 16628), (8314, 15442)]