221529232

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{337697}}^1$

素因数の和:337746

約数の個数: 20

約数和(自身を含む): 439682796

約数和(自身を除く): 218153564

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 337697, 675394, 1350788, 2701576, 5403152, 13845577, 27691154, 55382308, 110764616, 221529232]

約数ペア:

[(1, 221529232), (2, 110764616), (4, 55382308), (8, 27691154), (16, 13845577), (41, 5403152), (82, 2701576), (164, 1350788), (328, 675394), (656, 337697)]