82564415

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1\times {\mathrm{643}}^1$

素因数の和:1130

約数の個数: 16

約数和(自身を含む): 101097696

約数和(自身を除く): 18533281

約数列:

[1, 5, 61, 305, 421, 643, 2105, 3215, 25681, 39223, 128405, 196115, 270703, 1353515, 16512883, 82564415]

約数ペア:

[(1, 82564415), (5, 16512883), (61, 1353515), (305, 270703), (421, 196115), (643, 128405), (2105, 39223), (3215, 25681)]