204288512

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:321

約数の個数: 80

約数和(自身を含む): 430281984

約数和(自身を除く): 225993472

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 64, 122, 124, 128, 211, 244, 248, 256, 422, 488, 496, 512, 844, 976, 992, 1688, 1891, 1952, 1984, 3376, 3782, 3904, 3968, 6541, 6752, 7564, 7808, 7936, 12871, 13082, 13504, 15128, 15616, 15872, 25742, 26164, 27008, 30256, 31232, 51484, 52328, 54016, 60512, 102968, 104656, 108032, 121024, 205936, 209312, 242048, 399001, 411872, 418624, 484096, 798002, 823744, 837248, 968192, 1596004, 1647488, 1674496, 3192008, 3294976, 3348992, 6384016, 6589952, 12768032, 25536064, 51072128, 102144256, 204288512]

約数ペア:

[(1, 204288512), (2, 102144256), (4, 51072128), (8, 25536064), (16, 12768032), (31, 6589952), (32, 6384016), (61, 3348992), (62, 3294976), (64, 3192008), (122, 1674496), (124, 1647488), (128, 1596004), (211, 968192), (244, 837248), (248, 823744), (256, 798002), (422, 484096), (488, 418624), (496, 411872), (512, 399001), (844, 242048), (976, 209312), (992, 205936), (1688, 121024), (1891, 108032), (1952, 104656), (1984, 102968), (3376, 60512), (3782, 54016), (3904, 52328), (3968, 51484), (6541, 31232), (6752, 30256), (7564, 27008), (7808, 26164), (7936, 25742), (12871, 15872), (13082, 15616), (13504, 15128)]