257316906

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{4603}}^1$

素因数の和:4648

約数の個数: 64

約数和(自身を含む): 647064576

約数和(自身を除く): 389747670

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 121, 154, 231, 242, 363, 462, 726, 847, 1331, 1694, 2541, 2662, 3993, 4603, 5082, 7986, 9206, 9317, 13809, 18634, 27618, 27951, 32221, 50633, 55902, 64442, 96663, 101266, 151899, 193326, 303798, 354431, 556963, 708862, 1063293, 1113926, 1670889, 2126586, 3341778, 3898741, 6126593, 7797482, 11696223, 12253186, 18379779, 23392446, 36759558, 42886151, 85772302, 128658453, 257316906]

約数ペア:

[(1, 257316906), (2, 128658453), (3, 85772302), (6, 42886151), (7, 36759558), (11, 23392446), (14, 18379779), (21, 12253186), (22, 11696223), (33, 7797482), (42, 6126593), (66, 3898741), (77, 3341778), (121, 2126586), (154, 1670889), (231, 1113926), (242, 1063293), (363, 708862), (462, 556963), (726, 354431), (847, 303798), (1331, 193326), (1694, 151899), (2541, 101266), (2662, 96663), (3993, 64442), (4603, 55902), (5082, 50633), (7986, 32221), (9206, 27951), (9317, 27618), (13809, 18634)]