9978532

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:411

約数の個数: 24

約数和(自身を含む): 17851680

約数和(自身を除く): 7873148

約数列:

[1, 2, 4, 131, 137, 139, 262, 274, 278, 524, 548, 556, 17947, 18209, 19043, 35894, 36418, 38086, 71788, 72836, 76172, 2494633, 4989266, 9978532]

約数ペア:

[(1, 9978532), (2, 4989266), (4, 2494633), (131, 76172), (137, 72836), (139, 71788), (262, 38086), (274, 36418), (278, 35894), (524, 19043), (548, 18209), (556, 17947)]