257041656

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{22739}}^1$

素因数の和:22908

約数の個数: 48

約数和(自身を含む): 700619400

約数和(自身を除く): 443577744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1884, 2826, 3768, 5652, 11304, 22739, 45478, 68217, 90956, 136434, 181912, 204651, 272868, 409302, 545736, 818604, 1637208, 3570023, 7140046, 10710069, 14280092, 21420138, 28560184, 32130207, 42840276, 64260414, 85680552, 128520828, 257041656]

約数ペア:

[(1, 257041656), (2, 128520828), (3, 85680552), (4, 64260414), (6, 42840276), (8, 32130207), (9, 28560184), (12, 21420138), (18, 14280092), (24, 10710069), (36, 7140046), (72, 3570023), (157, 1637208), (314, 818604), (471, 545736), (628, 409302), (942, 272868), (1256, 204651), (1413, 181912), (1884, 136434), (2826, 90956), (3768, 68217), (5652, 45478), (11304, 22739)]