1390752006

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{248971}}^1$

素因数の和:249009

約数の個数: 48

約数和(自身を含む): 3405936960

約数和(自身を除く): 2015184954

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 266, 294, 399, 798, 931, 1862, 2793, 5586, 248971, 497942, 746913, 1493826, 1742797, 3485594, 4730449, 5228391, 9460898, 10456782, 12199579, 14191347, 24399158, 28382694, 33113143, 36598737, 66226286, 73197474, 99339429, 198678858, 231792001, 463584002, 695376003, 1390752006]

約数ペア:

[(1, 1390752006), (2, 695376003), (3, 463584002), (6, 231792001), (7, 198678858), (14, 99339429), (19, 73197474), (21, 66226286), (38, 36598737), (42, 33113143), (49, 28382694), (57, 24399158), (98, 14191347), (114, 12199579), (133, 10456782), (147, 9460898), (266, 5228391), (294, 4730449), (399, 3485594), (798, 1742797), (931, 1493826), (1862, 746913), (2793, 497942), (5586, 248971)]