278327013836

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{479}}^1\times {\mathrm{1237}}^1\times {\mathrm{2731}}^1$

素因数の和:4494

約数の個数: 48

約数和(自身を含む): 500026813440

約数和(自身を除く): 221699799604

約数列:

[1, 2, 4, 43, 86, 172, 479, 958, 1237, 1916, 2474, 2731, 4948, 5462, 10924, 20597, 41194, 53191, 82388, 106382, 117433, 212764, 234866, 469732, 592523, 1185046, 1308149, 2370092, 2616298, 3378247, 5232596, 6756494, 13512988, 25478489, 50956978, 56250407, 101913956, 112500814, 145264621, 225001628, 290529242, 581058484, 1618180313, 3236360626, 6472721252, 69581753459, 139163506918, 278327013836]

約数ペア:

[(1, 278327013836), (2, 139163506918), (4, 69581753459), (43, 6472721252), (86, 3236360626), (172, 1618180313), (479, 581058484), (958, 290529242), (1237, 225001628), (1916, 145264621), (2474, 112500814), (2731, 101913956), (4948, 56250407), (5462, 50956978), (10924, 25478489), (20597, 13512988), (41194, 6756494), (53191, 5232596), (82388, 3378247), (106382, 2616298), (117433, 2370092), (212764, 1308149), (234866, 1185046), (469732, 592523)]