81698456

素因数分解:

$2^3\times 7^1\times {\mathrm{311}}^1\times {\mathrm{4691}}^1$

素因数の和:5015

約数の個数: 32

約数和(自身を含む): 175668480

約数和(自身を除く): 93970024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 311, 622, 1244, 2177, 2488, 4354, 4691, 8708, 9382, 17416, 18764, 32837, 37528, 65674, 131348, 262696, 1458901, 2917802, 5835604, 10212307, 11671208, 20424614, 40849228, 81698456]

約数ペア:

[(1, 81698456), (2, 40849228), (4, 20424614), (7, 11671208), (8, 10212307), (14, 5835604), (28, 2917802), (56, 1458901), (311, 262696), (622, 131348), (1244, 65674), (2177, 37528), (2488, 32837), (4354, 18764), (4691, 17416), (8708, 9382)]