820052478

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{1019}}^1\times {\mathrm{2129}}^1$

素因数の和:3166

約数の個数: 64

約数和(自身を含む): 2085696000

約数和(自身を除く): 1265643522

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 1019, 2038, 2129, 3057, 4258, 6114, 6387, 7133, 9171, 12774, 14266, 14903, 18342, 19161, 21399, 27513, 29806, 38322, 42798, 44709, 55026, 57483, 64197, 89418, 114966, 128394, 134127, 192591, 268254, 385182, 402381, 804762, 2169451, 4338902, 6508353, 13016706, 15186157, 19525059, 30372314, 39050118, 45558471, 58575177, 91116942, 117150354, 136675413, 273350826, 410026239, 820052478]

約数ペア:

[(1, 820052478), (2, 410026239), (3, 273350826), (6, 136675413), (7, 117150354), (9, 91116942), (14, 58575177), (18, 45558471), (21, 39050118), (27, 30372314), (42, 19525059), (54, 15186157), (63, 13016706), (126, 6508353), (189, 4338902), (378, 2169451), (1019, 804762), (2038, 402381), (2129, 385182), (3057, 268254), (4258, 192591), (6114, 134127), (6387, 128394), (7133, 114966), (9171, 89418), (12774, 64197), (14266, 57483), (14903, 55026), (18342, 44709), (19161, 42798), (21399, 38322), (27513, 29806)]