280089616

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{967}}^1$

素因数の和:1439

約数の個数: 40

約数和(自身を含む): 557188544

約数和(自身を除く): 277098928

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 421, 688, 842, 967, 1684, 1934, 3368, 3868, 6736, 7736, 15472, 18103, 36206, 41581, 72412, 83162, 144824, 166324, 289648, 332648, 407107, 665296, 814214, 1628428, 3256856, 6513712, 17505601, 35011202, 70022404, 140044808, 280089616]

約数ペア:

[(1, 280089616), (2, 140044808), (4, 70022404), (8, 35011202), (16, 17505601), (43, 6513712), (86, 3256856), (172, 1628428), (344, 814214), (421, 665296), (688, 407107), (842, 332648), (967, 289648), (1684, 166324), (1934, 144824), (3368, 83162), (3868, 72412), (6736, 41581), (7736, 36206), (15472, 18103)]