81536854

素因数分解:

$2^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{21491}}^1$

素因数の和:21771

約数の個数: 16

約数和(自身を含む): 140299776

約数和(自身を除く): 58762922

約数列:

[1, 2, 7, 14, 271, 542, 1897, 3794, 21491, 42982, 150437, 300874, 5824061, 11648122, 40768427, 81536854]

約数ペア:

[(1, 81536854), (2, 40768427), (7, 11648122), (14, 5824061), (271, 300874), (542, 150437), (1897, 42982), (3794, 21491)]