81189608

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{77471}}^1$

素因数の和:77608

約数の個数: 16

約数和(自身を含む): 153394560

約数和(自身を除く): 72204952

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 77471, 154942, 309884, 619768, 10148701, 20297402, 40594804, 81189608]

約数ペア:

[(1, 81189608), (2, 40594804), (4, 20297402), (8, 10148701), (131, 619768), (262, 309884), (524, 154942), (1048, 77471)]