1319497921

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{709}}^1\times {\mathrm{1999}}^1$

素因数の和:2741

約数の個数: 24

約数和(自身を含む): 1618800000

約数和(自身を除く): 299302079

約数列:

[1, 7, 19, 49, 133, 709, 931, 1999, 4963, 13471, 13993, 34741, 37981, 94297, 97951, 265867, 660079, 1417291, 1861069, 9921037, 26928529, 69447259, 188499703, 1319497921]

約数ペア:

[(1, 1319497921), (7, 188499703), (19, 69447259), (49, 26928529), (133, 9921037), (709, 1861069), (931, 1417291), (1999, 660079), (4963, 265867), (13471, 97951), (13993, 94297), (34741, 37981)]