1872286162439

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1216561}}^1$

素因数の和:1216692

約数の個数: 48

約数和(自身を含む): 2485290178560

約数和(自身を除く): 613004016121

約数列:

[1, 7, 11, 23, 77, 79, 121, 161, 253, 553, 847, 869, 1771, 1817, 2783, 6083, 9559, 12719, 19481, 19987, 66913, 139909, 219857, 1216561, 1538999, 8515927, 13382171, 27980903, 93675197, 96108319, 147203881, 195866321, 307789933, 672758233, 1030427167, 1057191509, 2154529531, 2210491337, 3385689263, 7400340563, 11629106599, 15473439359, 23699824841, 24315404707, 81403746193, 170207832949, 267469451777, 1872286162439]

約数ペア:

[(1, 1872286162439), (7, 267469451777), (11, 170207832949), (23, 81403746193), (77, 24315404707), (79, 23699824841), (121, 15473439359), (161, 11629106599), (253, 7400340563), (553, 3385689263), (847, 2210491337), (869, 2154529531), (1771, 1057191509), (1817, 1030427167), (2783, 672758233), (6083, 307789933), (9559, 195866321), (12719, 147203881), (19481, 96108319), (19987, 93675197), (66913, 27980903), (139909, 13382171), (219857, 8515927), (1216561, 1538999)]