1256121293

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{1931}}^1$

素因数の和:2097

約数の個数: 32

約数和(自身を含む): 1555491840

約数和(自身を除く): 299370547

約数列:

[1, 7, 19, 67, 73, 133, 469, 511, 1273, 1387, 1931, 4891, 8911, 9709, 13517, 34237, 36689, 92929, 129377, 140963, 256823, 650503, 905639, 986741, 2458163, 2678297, 9444521, 17207141, 18748079, 66111647, 179445899, 1256121293]

約数ペア:

[(1, 1256121293), (7, 179445899), (19, 66111647), (67, 18748079), (73, 17207141), (133, 9444521), (469, 2678297), (511, 2458163), (1273, 986741), (1387, 905639), (1931, 650503), (4891, 256823), (8911, 140963), (9709, 129377), (13517, 92929), (34237, 36689)]