66457568

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 134346240

約数和(自身を除く): 67888672

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 139, 223, 268, 278, 446, 536, 556, 892, 1072, 1112, 1784, 2144, 2224, 3568, 4448, 7136, 9313, 14941, 18626, 29882, 30997, 37252, 59764, 61994, 74504, 119528, 123988, 149008, 239056, 247976, 298016, 478112, 495952, 991904, 2076799, 4153598, 8307196, 16614392, 33228784, 66457568]

約数ペア:

[(1, 66457568), (2, 33228784), (4, 16614392), (8, 8307196), (16, 4153598), (32, 2076799), (67, 991904), (134, 495952), (139, 478112), (223, 298016), (268, 247976), (278, 239056), (446, 149008), (536, 123988), (556, 119528), (892, 74504), (1072, 61994), (1112, 59764), (1784, 37252), (2144, 30997), (2224, 29882), (3568, 18626), (4448, 14941), (7136, 9313)]