256439744

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{563}}^1\times {\mathrm{647}}^1$

素因数の和:1233

約数の個数: 56

約数和(自身を含む): 556979328

約数和(自身を除く): 300539584

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 176, 352, 563, 647, 704, 1126, 1294, 2252, 2588, 4504, 5176, 6193, 7117, 9008, 10352, 12386, 14234, 18016, 20704, 24772, 28468, 36032, 41408, 49544, 56936, 99088, 113872, 198176, 227744, 364261, 396352, 455488, 728522, 1457044, 2914088, 4006871, 5828176, 8013742, 11656352, 16027484, 23312704, 32054968, 64109936, 128219872, 256439744]

約数ペア:

[(1, 256439744), (2, 128219872), (4, 64109936), (8, 32054968), (11, 23312704), (16, 16027484), (22, 11656352), (32, 8013742), (44, 5828176), (64, 4006871), (88, 2914088), (176, 1457044), (352, 728522), (563, 455488), (647, 396352), (704, 364261), (1126, 227744), (1294, 198176), (2252, 113872), (2588, 99088), (4504, 56936), (5176, 49544), (6193, 41408), (7117, 36032), (9008, 28468), (10352, 24772), (12386, 20704), (14234, 18016)]