64943984

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8167}}^1$

素因数の和:8253

約数の個数: 40

約数和(自身を含む): 145847808

約数和(自身を除く): 80903824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 8167, 16334, 32668, 57169, 65336, 114338, 130672, 228676, 457352, 579857, 914704, 1159714, 2319428, 4058999, 4638856, 8117998, 9277712, 16235996, 32471992, 64943984]

約数ペア:

[(1, 64943984), (2, 32471992), (4, 16235996), (7, 9277712), (8, 8117998), (14, 4638856), (16, 4058999), (28, 2319428), (56, 1159714), (71, 914704), (112, 579857), (142, 457352), (284, 228676), (497, 130672), (568, 114338), (994, 65336), (1136, 57169), (1988, 32668), (3976, 16334), (7952, 8167)]