1821966016

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{168451}}^1$

素因数の和:168489

約数の個数: 42

約数和(自身を含む): 3914992932

約数和(自身を除く): 2093026916

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1352, 2704, 5408, 10816, 168451, 336902, 673804, 1347608, 2189863, 2695216, 4379726, 5390432, 8759452, 10780864, 17518904, 28468219, 35037808, 56936438, 70075616, 113872876, 140151232, 227745752, 455491504, 910983008, 1821966016]

約数ペア:

[(1, 1821966016), (2, 910983008), (4, 455491504), (8, 227745752), (13, 140151232), (16, 113872876), (26, 70075616), (32, 56936438), (52, 35037808), (64, 28468219), (104, 17518904), (169, 10780864), (208, 8759452), (338, 5390432), (416, 4379726), (676, 2695216), (832, 2189863), (1352, 1347608), (2704, 673804), (5408, 336902), (10816, 168451)]