257729536

素因数分解:

$2^{10}\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:427

約数の個数: 88

約数和(自身を含む): 556521984

約数和(自身を除く): 298792448

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 92, 124, 128, 184, 248, 256, 353, 368, 496, 512, 706, 713, 736, 992, 1024, 1412, 1426, 1472, 1984, 2824, 2852, 2944, 3968, 5648, 5704, 5888, 7936, 8119, 10943, 11296, 11408, 11776, 15872, 16238, 21886, 22592, 22816, 23552, 31744, 32476, 43772, 45184, 45632, 64952, 87544, 90368, 91264, 129904, 175088, 180736, 182528, 251689, 259808, 350176, 361472, 365056, 503378, 519616, 700352, 730112, 1006756, 1039232, 1400704, 2013512, 2078464, 2801408, 4027024, 4156928, 5602816, 8054048, 8313856, 11205632, 16108096, 32216192, 64432384, 128864768, 257729536]

約数ペア:

[(1, 257729536), (2, 128864768), (4, 64432384), (8, 32216192), (16, 16108096), (23, 11205632), (31, 8313856), (32, 8054048), (46, 5602816), (62, 4156928), (64, 4027024), (92, 2801408), (124, 2078464), (128, 2013512), (184, 1400704), (248, 1039232), (256, 1006756), (353, 730112), (368, 700352), (496, 519616), (512, 503378), (706, 365056), (713, 361472), (736, 350176), (992, 259808), (1024, 251689), (1412, 182528), (1426, 180736), (1472, 175088), (1984, 129904), (2824, 91264), (2852, 90368), (2944, 87544), (3968, 64952), (5648, 45632), (5704, 45184), (5888, 43772), (7936, 32476), (8119, 31744), (10943, 23552), (11296, 22816), (11408, 22592), (11776, 21886), (15872, 16238)]