221508133

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 285401088

約数和(自身を除く): 63892955

約数列:

[1, 7, 11, 47, 77, 97, 329, 517, 631, 679, 1067, 3619, 4417, 4559, 6941, 7469, 29657, 31913, 48587, 50149, 61207, 207599, 326227, 351043, 428449, 673277, 2283589, 2876729, 4712939, 20137103, 31644019, 221508133]

約数ペア:

[(1, 221508133), (7, 31644019), (11, 20137103), (47, 4712939), (77, 2876729), (97, 2283589), (329, 673277), (517, 428449), (631, 351043), (679, 326227), (1067, 207599), (3619, 61207), (4417, 50149), (4559, 48587), (6941, 31913), (7469, 29657)]