20260205

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 29196288

約数和(自身を除く): 8936083

約数列:

[1, 5, 7, 31, 35, 71, 155, 217, 263, 355, 497, 1085, 1315, 1841, 2201, 2485, 8153, 9205, 11005, 15407, 18673, 40765, 57071, 77035, 93365, 130711, 285355, 578863, 653555, 2894315, 4052041, 20260205]

約数ペア:

[(1, 20260205), (5, 4052041), (7, 2894315), (31, 653555), (35, 578863), (71, 285355), (155, 130711), (217, 93365), (263, 77035), (355, 57071), (497, 40765), (1085, 18673), (1315, 15407), (1841, 11005), (2201, 9205), (2485, 8153)]