64963864

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16339}}^1$

素因数の和:16423

約数の個数: 32

約数和(自身を含む): 141177600

約数和(自身を除く): 76213736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 16339, 32678, 65356, 114373, 130712, 228746, 457492, 914984, 1160069, 2320138, 4640276, 8120483, 9280552, 16240966, 32481932, 64963864]

約数ペア:

[(1, 64963864), (2, 32481932), (4, 16240966), (7, 9280552), (8, 8120483), (14, 4640276), (28, 2320138), (56, 1160069), (71, 914984), (142, 457492), (284, 228746), (497, 130712), (568, 114373), (994, 65356), (1988, 32678), (3976, 16339)]