861801668

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{17033}}^1$

素因数の和:17196

約数の個数: 48

約数和(自身を含む): 1869651840

約数和(自身を除く): 1007850172

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 139, 182, 278, 364, 556, 973, 1807, 1946, 3614, 3892, 7228, 12649, 17033, 25298, 34066, 50596, 68132, 119231, 221429, 238462, 442858, 476924, 885716, 1550003, 2367587, 3100006, 4735174, 6200012, 9470348, 16573109, 30778631, 33146218, 61557262, 66292436, 123114524, 215450417, 430900834, 861801668]

約数ペア:

[(1, 861801668), (2, 430900834), (4, 215450417), (7, 123114524), (13, 66292436), (14, 61557262), (26, 33146218), (28, 30778631), (52, 16573109), (91, 9470348), (139, 6200012), (182, 4735174), (278, 3100006), (364, 2367587), (556, 1550003), (973, 885716), (1807, 476924), (1946, 442858), (3614, 238462), (3892, 221429), (7228, 119231), (12649, 68132), (17033, 50596), (25298, 34066)]