201779765

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 271054080

約数和(自身を除く): 69274315

約数列:

[1, 5, 11, 55, 61, 137, 305, 439, 671, 685, 1507, 2195, 3355, 4829, 7535, 8357, 24145, 26779, 41785, 60143, 91927, 133895, 294569, 300715, 459635, 661573, 1472845, 3307865, 3668723, 18343615, 40355953, 201779765]

約数ペア:

[(1, 201779765), (5, 40355953), (11, 18343615), (55, 3668723), (61, 3307865), (137, 1472845), (305, 661573), (439, 459635), (671, 300715), (685, 294569), (1507, 133895), (2195, 91927), (3355, 60143), (4829, 41785), (7535, 26779), (8357, 24145)]