257427984

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:509

約数の個数: 120

約数和(自身を含む): 738841600

約数和(自身を除く): 481413616

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 121, 127, 132, 176, 242, 254, 264, 349, 363, 381, 484, 508, 528, 698, 726, 762, 968, 1016, 1047, 1396, 1397, 1452, 1524, 1936, 2032, 2094, 2792, 2794, 2904, 3048, 3839, 4188, 4191, 5584, 5588, 5808, 6096, 7678, 8376, 8382, 11176, 11517, 15356, 15367, 16752, 16764, 22352, 23034, 30712, 30734, 33528, 42229, 44323, 46068, 46101, 61424, 61468, 67056, 84458, 88646, 92136, 92202, 122936, 126687, 132969, 168916, 177292, 184272, 184404, 245872, 253374, 265938, 337832, 354584, 368808, 487553, 506748, 531876, 675664, 709168, 737616, 975106, 1013496, 1063752, 1462659, 1950212, 2026992, 2127504, 2925318, 3900424, 5363083, 5850636, 7800848, 10726166, 11701272, 16089249, 21452332, 23402544, 32178498, 42904664, 64356996, 85809328, 128713992, 257427984]

約数ペア:

[(1, 257427984), (2, 128713992), (3, 85809328), (4, 64356996), (6, 42904664), (8, 32178498), (11, 23402544), (12, 21452332), (16, 16089249), (22, 11701272), (24, 10726166), (33, 7800848), (44, 5850636), (48, 5363083), (66, 3900424), (88, 2925318), (121, 2127504), (127, 2026992), (132, 1950212), (176, 1462659), (242, 1063752), (254, 1013496), (264, 975106), (349, 737616), (363, 709168), (381, 675664), (484, 531876), (508, 506748), (528, 487553), (698, 368808), (726, 354584), (762, 337832), (968, 265938), (1016, 253374), (1047, 245872), (1396, 184404), (1397, 184272), (1452, 177292), (1524, 168916), (1936, 132969), (2032, 126687), (2094, 122936), (2792, 92202), (2794, 92136), (2904, 88646), (3048, 84458), (3839, 67056), (4188, 61468), (4191, 61424), (5584, 46101), (5588, 46068), (5808, 44323), (6096, 42229), (7678, 33528), (8376, 30734), (8382, 30712), (11176, 23034), (11517, 22352), (15356, 16764), (15367, 16752)]