81508638

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{131891}}^1$

素因数の和:131999

約数の個数: 16

約数和(自身を含む): 164601216

約数和(自身を除く): 83092578

約数列:

[1, 2, 3, 6, 103, 206, 309, 618, 131891, 263782, 395673, 791346, 13584773, 27169546, 40754319, 81508638]

約数ペア:

[(1, 81508638), (2, 40754319), (3, 27169546), (6, 13584773), (103, 791346), (206, 395673), (309, 263782), (618, 131891)]