15780458864

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{13891249}}^1$

素因数の和:13891328

約数の個数: 20

約数和(自身を含む): 31005270000

約数和(自身を除く): 15224811136

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 13891249, 27782498, 55564996, 111129992, 222259984, 986278679, 1972557358, 3945114716, 7890229432, 15780458864]

約数ペア:

[(1, 15780458864), (2, 7890229432), (4, 3945114716), (8, 1972557358), (16, 986278679), (71, 222259984), (142, 111129992), (284, 55564996), (568, 27782498), (1136, 13891249)]