257752544

素因数分解:

$2^5\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1847}}^1$

素因数の和:1960

約数の個数: 72

約数和(自身を含む): 597255120

約数和(自身を除く): 339502576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 89, 98, 112, 178, 196, 224, 356, 392, 623, 712, 784, 1246, 1424, 1568, 1847, 2492, 2848, 3694, 4361, 4984, 7388, 8722, 9968, 12929, 14776, 17444, 19936, 25858, 29552, 34888, 51716, 59104, 69776, 90503, 103432, 139552, 164383, 181006, 206864, 328766, 362012, 413728, 657532, 724024, 1150681, 1315064, 1448048, 2301362, 2630128, 2896096, 4602724, 5260256, 8054767, 9205448, 16109534, 18410896, 32219068, 36821792, 64438136, 128876272, 257752544]

約数ペア:

[(1, 257752544), (2, 128876272), (4, 64438136), (7, 36821792), (8, 32219068), (14, 18410896), (16, 16109534), (28, 9205448), (32, 8054767), (49, 5260256), (56, 4602724), (89, 2896096), (98, 2630128), (112, 2301362), (178, 1448048), (196, 1315064), (224, 1150681), (356, 724024), (392, 657532), (623, 413728), (712, 362012), (784, 328766), (1246, 206864), (1424, 181006), (1568, 164383), (1847, 139552), (2492, 103432), (2848, 90503), (3694, 69776), (4361, 59104), (4984, 51716), (7388, 34888), (8722, 29552), (9968, 25858), (12929, 19936), (14776, 17444)]