217177552

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{202591}}^1$

素因数の和:202666

約数の個数: 20

約数和(自身を含む): 427063936

約数和(自身を除く): 209886384

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 202591, 405182, 810364, 1620728, 3241456, 13573597, 27147194, 54294388, 108588776, 217177552]

約数ペア:

[(1, 217177552), (2, 108588776), (4, 54294388), (8, 27147194), (16, 13573597), (67, 3241456), (134, 1620728), (268, 810364), (536, 405182), (1072, 202591)]