81518984

素因数分解:

$2^3\times {\mathrm{173}}^1\times {\mathrm{58901}}^1$

素因数の和:59080

約数の個数: 16

約数和(自身を含む): 153734220

約数和(自身を除く): 72215236

約数列:

[1, 2, 4, 8, 173, 346, 692, 1384, 58901, 117802, 235604, 471208, 10189873, 20379746, 40759492, 81518984]

約数ペア:

[(1, 81518984), (2, 40759492), (4, 20379746), (8, 10189873), (173, 471208), (346, 235604), (692, 117802), (1384, 58901)]