256722242

素因数分解:

$2^1\times 7^1\times {\mathrm{1669}}^1\times {\mathrm{10987}}^1$

素因数の和:12665

約数の個数: 16

約数和(自身を含む): 440399040

約数和(自身を除く): 183676798

約数列:

[1, 2, 7, 14, 1669, 3338, 10987, 11683, 21974, 23366, 76909, 153818, 18337303, 36674606, 128361121, 256722242]

約数ペア:

[(1, 256722242), (2, 128361121), (7, 36674606), (14, 18337303), (1669, 153818), (3338, 76909), (10987, 23366), (11683, 21974)]