13648415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 19008000

約数和(自身を除く): 5359585

約数列:

[1, 5, 11, 29, 43, 55, 145, 199, 215, 319, 473, 995, 1247, 1595, 2189, 2365, 5771, 6235, 8557, 10945, 13717, 28855, 42785, 63481, 68585, 94127, 248153, 317405, 470635, 1240765, 2729683, 13648415]

約数ペア:

[(1, 13648415), (5, 2729683), (11, 1240765), (29, 470635), (43, 317405), (55, 248153), (145, 94127), (199, 68585), (215, 63481), (319, 42785), (473, 28855), (995, 13717), (1247, 10945), (1595, 8557), (2189, 6235), (2365, 5771)]