64338256

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{211639}}^1$

素因数の和:211666

約数の個数: 20

約数和(自身を含む): 131216800

約数和(自身を除く): 66878544

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 211639, 423278, 846556, 1693112, 3386224, 4021141, 8042282, 16084564, 32169128, 64338256]

約数ペア:

[(1, 64338256), (2, 32169128), (4, 16084564), (8, 8042282), (16, 4021141), (19, 3386224), (38, 1693112), (76, 846556), (152, 423278), (304, 211639)]