219761906

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{28081}}^1$

素因数の和:28146

約数の個数: 32

約数和(自身を含む): 415164288

約数和(自身を除く): 195402382

約数列:

[1, 2, 7, 13, 14, 26, 43, 86, 91, 182, 301, 559, 602, 1118, 3913, 7826, 28081, 56162, 196567, 365053, 393134, 730106, 1207483, 2414966, 2555371, 5110742, 8452381, 15697279, 16904762, 31394558, 109880953, 219761906]

約数ペア:

[(1, 219761906), (2, 109880953), (7, 31394558), (13, 16904762), (14, 15697279), (26, 8452381), (43, 5110742), (86, 2555371), (91, 2414966), (182, 1207483), (301, 730106), (559, 393134), (602, 365053), (1118, 196567), (3913, 56162), (7826, 28081)]