221299384

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{4969}}^1$

素因数の和:5287

約数の個数: 32

約数和(自身を含む): 438354000

約数和(自身を除く): 217054616

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 293, 586, 1172, 2344, 4969, 5567, 9938, 11134, 19876, 22268, 39752, 44536, 94411, 188822, 377644, 755288, 1455917, 2911834, 5823668, 11647336, 27662423, 55324846, 110649692, 221299384]

約数ペア:

[(1, 221299384), (2, 110649692), (4, 55324846), (8, 27662423), (19, 11647336), (38, 5823668), (76, 2911834), (152, 1455917), (293, 755288), (586, 377644), (1172, 188822), (2344, 94411), (4969, 44536), (5567, 39752), (9938, 22268), (11134, 19876)]