419145916

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 891729888

約数和(自身を除く): 472583972

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 62, 74, 124, 148, 217, 259, 421, 434, 518, 842, 868, 961, 1036, 1147, 1684, 1922, 2294, 2947, 3844, 4588, 5894, 6727, 8029, 11788, 13051, 13454, 15577, 16058, 26102, 26908, 31154, 32116, 35557, 52204, 62308, 71114, 91357, 109039, 142228, 182714, 218078, 248899, 365428, 404581, 436156, 482887, 497798, 809162, 965774, 995596, 1618324, 1931548, 2832067, 3380209, 5664134, 6760418, 11328268, 13520836, 14969497, 29938994, 59877988, 104786479, 209572958, 419145916]

約数ペア:

[(1, 419145916), (2, 209572958), (4, 104786479), (7, 59877988), (14, 29938994), (28, 14969497), (31, 13520836), (37, 11328268), (62, 6760418), (74, 5664134), (124, 3380209), (148, 2832067), (217, 1931548), (259, 1618324), (421, 995596), (434, 965774), (518, 809162), (842, 497798), (868, 482887), (961, 436156), (1036, 404581), (1147, 365428), (1684, 248899), (1922, 218078), (2294, 182714), (2947, 142228), (3844, 109039), (4588, 91357), (5894, 71114), (6727, 62308), (8029, 52204), (11788, 35557), (13051, 32116), (13454, 31154), (15577, 26908), (16058, 26102)]