289378622

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1\times {\mathrm{563}}^1$

素因数の和:1004

約数の個数: 32

約数和(自身を含む): 478402848

約数和(自身を除く): 189024226

約数列:

[1, 2, 13, 26, 53, 106, 373, 563, 689, 746, 1126, 1378, 4849, 7319, 9698, 14638, 19769, 29839, 39538, 59678, 209999, 256997, 387907, 419998, 513994, 775814, 2729987, 5459974, 11129947, 22259894, 144689311, 289378622]

約数ペア:

[(1, 289378622), (2, 144689311), (13, 22259894), (26, 11129947), (53, 5459974), (106, 2729987), (373, 775814), (563, 513994), (689, 419998), (746, 387907), (1126, 256997), (1378, 209999), (4849, 59678), (7319, 39538), (9698, 29839), (14638, 19769)]