221630648

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{311279}}^1$

素因数の和:311374

約数の個数: 16

約数和(自身を含む): 420228000

約数和(自身を除く): 198597352

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 311279, 622558, 1245116, 2490232, 27703831, 55407662, 110815324, 221630648]

約数ペア:

[(1, 221630648), (2, 110815324), (4, 55407662), (8, 27703831), (89, 2490232), (178, 1245116), (356, 622558), (712, 311279)]