279947878

素因数分解:

$2^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 500097024

約数和(自身を除く): 220149146

約数列:

[1, 2, 7, 14, 49, 83, 98, 127, 166, 254, 271, 542, 581, 889, 1162, 1778, 1897, 3794, 4067, 6223, 8134, 10541, 12446, 13279, 21082, 22493, 26558, 34417, 44986, 68834, 73787, 147574, 157451, 240919, 314902, 481838, 516509, 1033018, 1102157, 1686433, 2204314, 2856611, 3372866, 5713222, 19996277, 39992554, 139973939, 279947878]

約数ペア:

[(1, 279947878), (2, 139973939), (7, 39992554), (14, 19996277), (49, 5713222), (83, 3372866), (98, 2856611), (127, 2204314), (166, 1686433), (254, 1102157), (271, 1033018), (542, 516509), (581, 481838), (889, 314902), (1162, 240919), (1778, 157451), (1897, 147574), (3794, 73787), (4067, 68834), (6223, 44986), (8134, 34417), (10541, 26558), (12446, 22493), (13279, 21082)]