31999936

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{127}}^2$

素因数の和:297

約数の個数: 42

約数和(自身を含む): 66068448

約数和(自身を除く): 34068512

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 248, 254, 496, 508, 992, 1016, 1984, 2032, 3937, 4064, 7874, 8128, 15748, 16129, 31496, 32258, 62992, 64516, 125984, 129032, 251968, 258064, 499999, 516128, 999998, 1032256, 1999996, 3999992, 7999984, 15999968, 31999936]

約数ペア:

[(1, 31999936), (2, 15999968), (4, 7999984), (8, 3999992), (16, 1999996), (31, 1032256), (32, 999998), (62, 516128), (64, 499999), (124, 258064), (127, 251968), (248, 129032), (254, 125984), (496, 64516), (508, 62992), (992, 32258), (1016, 31496), (1984, 16129), (2032, 15748), (3937, 8128), (4064, 7874)]