2820221456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{1237}}^1$

素因数の和:1468

約数の個数: 80

約数和(自身を含む): 6002626224

約数和(自身を除く): 3182404768

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 97, 104, 113, 194, 208, 226, 388, 452, 776, 904, 1237, 1261, 1469, 1552, 1808, 2474, 2522, 2938, 4948, 5044, 5876, 9896, 10088, 10961, 11752, 16081, 19792, 20176, 21922, 23504, 32162, 43844, 64324, 87688, 119989, 128648, 139781, 142493, 175376, 239978, 257296, 279562, 284986, 479956, 559124, 569972, 959912, 1118248, 1139944, 1559857, 1817153, 1919824, 2236496, 2279888, 3119714, 3634306, 6239428, 7268612, 12478856, 13558757, 14537224, 24957712, 27117514, 29074448, 54235028, 108470056, 176263841, 216940112, 352527682, 705055364, 1410110728, 2820221456]

約数ペア:

[(1, 2820221456), (2, 1410110728), (4, 705055364), (8, 352527682), (13, 216940112), (16, 176263841), (26, 108470056), (52, 54235028), (97, 29074448), (104, 27117514), (113, 24957712), (194, 14537224), (208, 13558757), (226, 12478856), (388, 7268612), (452, 6239428), (776, 3634306), (904, 3119714), (1237, 2279888), (1261, 2236496), (1469, 1919824), (1552, 1817153), (1808, 1559857), (2474, 1139944), (2522, 1118248), (2938, 959912), (4948, 569972), (5044, 559124), (5876, 479956), (9896, 284986), (10088, 279562), (10961, 257296), (11752, 239978), (16081, 175376), (19792, 142493), (20176, 139781), (21922, 128648), (23504, 119989), (32162, 87688), (43844, 64324)]