80886518

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1\times {\mathrm{1279}}^1$

素因数の和:1691

約数の個数: 16

約数和(自身を含む): 123002880

約数和(自身を除く): 42116362

約数列:

[1, 2, 103, 206, 307, 614, 1279, 2558, 31621, 63242, 131737, 263474, 392653, 785306, 40443259, 80886518]

約数ペア:

[(1, 80886518), (2, 40443259), (103, 785306), (206, 392653), (307, 263474), (614, 131737), (1279, 63242), (2558, 31621)]