8438142464

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{531637}}^1$

素因数の和:531686

約数の個数: 40

約数和(自身を含む): 17403701568

約数和(自身を除く): 8965559104

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 531637, 1063274, 2126548, 4253096, 8506192, 16480747, 17012384, 32961494, 34024768, 65922988, 68049536, 131845976, 136099072, 263691952, 272198144, 527383904, 1054767808, 2109535616, 4219071232, 8438142464]

約数ペア:

[(1, 8438142464), (2, 4219071232), (4, 2109535616), (8, 1054767808), (16, 527383904), (31, 272198144), (32, 263691952), (62, 136099072), (64, 131845976), (124, 68049536), (128, 65922988), (248, 34024768), (256, 32961494), (496, 17012384), (512, 16480747), (992, 8506192), (1984, 4253096), (3968, 2126548), (7936, 1063274), (15872, 531637)]