257521216

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{443}}^1$

素因数の和:779

約数の個数: 56

約数和(自身を含む): 530498304

約数和(自身を除く): 272977088

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 293, 443, 496, 586, 886, 992, 1172, 1772, 1984, 2344, 3544, 4688, 7088, 9083, 9376, 13733, 14176, 18166, 18752, 27466, 28352, 36332, 54932, 72664, 109864, 129799, 145328, 219728, 259598, 290656, 439456, 519196, 581312, 878912, 1038392, 2076784, 4023769, 4153568, 8047538, 8307136, 16095076, 32190152, 64380304, 128760608, 257521216]

約数ペア:

[(1, 257521216), (2, 128760608), (4, 64380304), (8, 32190152), (16, 16095076), (31, 8307136), (32, 8047538), (62, 4153568), (64, 4023769), (124, 2076784), (248, 1038392), (293, 878912), (443, 581312), (496, 519196), (586, 439456), (886, 290656), (992, 259598), (1172, 219728), (1772, 145328), (1984, 129799), (2344, 109864), (3544, 72664), (4688, 54932), (7088, 36332), (9083, 28352), (9376, 27466), (13733, 18752), (14176, 18166)]