1965175808

素因数分解:

$2^{10}\times {\mathrm{31}}^2\times {\mathrm{1997}}^1$

素因数の和:2079

約数の個数: 66

約数和(自身を含む): 4061276658

約数和(自身を除く): 2096100850

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 961, 992, 1024, 1922, 1984, 1997, 3844, 3968, 3994, 7688, 7936, 7988, 15376, 15872, 15976, 30752, 31744, 31952, 61504, 61907, 63904, 123008, 123814, 127808, 246016, 247628, 255616, 492032, 495256, 511232, 984064, 990512, 1022464, 1919117, 1981024, 2044928, 3838234, 3962048, 7676468, 7924096, 15352936, 15848192, 30705872, 31696384, 61411744, 63392768, 122823488, 245646976, 491293952, 982587904, 1965175808]

約数ペア:

[(1, 1965175808), (2, 982587904), (4, 491293952), (8, 245646976), (16, 122823488), (31, 63392768), (32, 61411744), (62, 31696384), (64, 30705872), (124, 15848192), (128, 15352936), (248, 7924096), (256, 7676468), (496, 3962048), (512, 3838234), (961, 2044928), (992, 1981024), (1024, 1919117), (1922, 1022464), (1984, 990512), (1997, 984064), (3844, 511232), (3968, 495256), (3994, 492032), (7688, 255616), (7936, 247628), (7988, 246016), (15376, 127808), (15872, 123814), (15976, 123008), (30752, 63904), (31744, 61907), (31952, 61504)]