278399936

素因数分解:

$2^6\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:541

約数の個数: 56

約数和(自身を含む): 563453280

約数和(自身を除く): 285053344

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 157, 206, 269, 314, 412, 538, 628, 824, 1076, 1256, 1648, 2152, 2512, 3296, 4304, 5024, 6592, 8608, 10048, 16171, 17216, 27707, 32342, 42233, 55414, 64684, 84466, 110828, 129368, 168932, 221656, 258736, 337864, 443312, 517472, 675728, 886624, 1034944, 1351456, 1773248, 2702912, 4349999, 8699998, 17399996, 34799992, 69599984, 139199968, 278399936]

約数ペア:

[(1, 278399936), (2, 139199968), (4, 69599984), (8, 34799992), (16, 17399996), (32, 8699998), (64, 4349999), (103, 2702912), (157, 1773248), (206, 1351456), (269, 1034944), (314, 886624), (412, 675728), (538, 517472), (628, 443312), (824, 337864), (1076, 258736), (1256, 221656), (1648, 168932), (2152, 129368), (2512, 110828), (3296, 84466), (4304, 64684), (5024, 55414), (6592, 42233), (8608, 32342), (10048, 27707), (16171, 17216)]