487972079

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 599040000

約数和(自身を除く): 111067921

約数列:

[1, 7, 19, 103, 133, 179, 199, 721, 1253, 1393, 1957, 3401, 3781, 13699, 18437, 20497, 23807, 26467, 35621, 129059, 143479, 249347, 350303, 389443, 676799, 2452121, 2726101, 3668963, 4737593, 25682741, 69710297, 487972079]

約数ペア:

[(1, 487972079), (7, 69710297), (19, 25682741), (103, 4737593), (133, 3668963), (179, 2726101), (199, 2452121), (721, 676799), (1253, 389443), (1393, 350303), (1957, 249347), (3401, 143479), (3781, 129059), (13699, 35621), (18437, 26467), (20497, 23807)]