656519968

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{4057}}^1$

素因数の和:4469

約数の個数: 48

約数和(自身を含む): 1395870840

約数和(自身を除く): 739350872

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 389, 416, 778, 1556, 3112, 4057, 5057, 6224, 8114, 10114, 12448, 16228, 20228, 32456, 40456, 52741, 64912, 80912, 105482, 129824, 161824, 210964, 421928, 843856, 1578173, 1687712, 3156346, 6312692, 12625384, 20516249, 25250768, 41032498, 50501536, 82064996, 164129992, 328259984, 656519968]

約数ペア:

[(1, 656519968), (2, 328259984), (4, 164129992), (8, 82064996), (13, 50501536), (16, 41032498), (26, 25250768), (32, 20516249), (52, 12625384), (104, 6312692), (208, 3156346), (389, 1687712), (416, 1578173), (778, 843856), (1556, 421928), (3112, 210964), (4057, 161824), (5057, 129824), (6224, 105482), (8114, 80912), (10114, 64912), (12448, 52741), (16228, 40456), (20228, 32456)]