127999744

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{127}}^2$

素因数の和:301

約数の個数: 54

約数和(自身を含む): 265834464

約数和(自身を除く): 137834720

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 128, 248, 254, 256, 496, 508, 992, 1016, 1984, 2032, 3937, 3968, 4064, 7874, 7936, 8128, 15748, 16129, 16256, 31496, 32258, 32512, 62992, 64516, 125984, 129032, 251968, 258064, 499999, 503936, 516128, 999998, 1007872, 1032256, 1999996, 2064512, 3999992, 4129024, 7999984, 15999968, 31999936, 63999872, 127999744]

約数ペア:

[(1, 127999744), (2, 63999872), (4, 31999936), (8, 15999968), (16, 7999984), (31, 4129024), (32, 3999992), (62, 2064512), (64, 1999996), (124, 1032256), (127, 1007872), (128, 999998), (248, 516128), (254, 503936), (256, 499999), (496, 258064), (508, 251968), (992, 129032), (1016, 125984), (1984, 64516), (2032, 62992), (3937, 32512), (3968, 32258), (4064, 31496), (7874, 16256), (7936, 16129), (8128, 15748)]