165856355

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2153}}^1$

素因数の和:2267

約数の個数: 32

約数和(自身を含む): 238215168

約数和(自身を除く): 72358813

約数列:

[1, 5, 7, 31, 35, 71, 155, 217, 355, 497, 1085, 2153, 2201, 2485, 10765, 11005, 15071, 15407, 66743, 75355, 77035, 152863, 333715, 467201, 764315, 1070041, 2336005, 4738753, 5350205, 23693765, 33171271, 165856355]

約数ペア:

[(1, 165856355), (5, 33171271), (7, 23693765), (31, 5350205), (35, 4738753), (71, 2336005), (155, 1070041), (217, 764315), (355, 467201), (497, 333715), (1085, 152863), (2153, 77035), (2201, 75355), (2485, 66743), (10765, 15407), (11005, 15071)]