28667542

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 48384000

約数和(自身を除く): 19716458

約数列:

[1, 2, 17, 19, 34, 38, 199, 223, 323, 398, 446, 646, 3383, 3781, 3791, 4237, 6766, 7562, 7582, 8474, 44377, 64277, 72029, 88754, 128554, 144058, 754409, 843163, 1508818, 1686326, 14333771, 28667542]

約数ペア:

[(1, 28667542), (2, 14333771), (17, 1686326), (19, 1508818), (34, 843163), (38, 754409), (199, 144058), (223, 128554), (323, 88754), (398, 72029), (446, 64277), (646, 44377), (3383, 8474), (3781, 7582), (3791, 7562), (4237, 6766)]