141409456

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{205537}}^1$

素因数の和:205588

約数の個数: 20

約数和(自身を含む): 280353832

約数和(自身を除く): 138944376

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 205537, 411074, 822148, 1644296, 3288592, 8838091, 17676182, 35352364, 70704728, 141409456]

約数ペア:

[(1, 141409456), (2, 70704728), (4, 35352364), (8, 17676182), (16, 8838091), (43, 3288592), (86, 1644296), (172, 822148), (344, 411074), (688, 205537)]