128317168

素因数分解:

$2^4\times 7^1\times {\mathrm{1145689}}^1$

素因数の和:1145704

約数の個数: 20

約数和(自身を含む): 284131120

約数和(自身を除く): 155813952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1145689, 2291378, 4582756, 8019823, 9165512, 16039646, 18331024, 32079292, 64158584, 128317168]

約数ペア:

[(1, 128317168), (2, 64158584), (4, 32079292), (7, 18331024), (8, 16039646), (14, 9165512), (16, 8019823), (28, 4582756), (56, 2291378), (112, 1145689)]