217565478

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{7321}}^1$

素因数の和:7469

約数の個数: 48

約数和(自身を含む): 511719936

約数和(自身を除く): 294154458

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 127, 234, 254, 381, 762, 1143, 1651, 2286, 3302, 4953, 7321, 9906, 14642, 14859, 21963, 29718, 43926, 65889, 95173, 131778, 190346, 285519, 571038, 856557, 929767, 1713114, 1859534, 2789301, 5578602, 8367903, 12086971, 16735806, 24173942, 36260913, 72521826, 108782739, 217565478]

約数ペア:

[(1, 217565478), (2, 108782739), (3, 72521826), (6, 36260913), (9, 24173942), (13, 16735806), (18, 12086971), (26, 8367903), (39, 5578602), (78, 2789301), (117, 1859534), (127, 1713114), (234, 929767), (254, 856557), (381, 571038), (762, 285519), (1143, 190346), (1651, 131778), (2286, 95173), (3302, 65889), (4953, 43926), (7321, 29718), (9906, 21963), (14642, 14859)]