211719560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{407153}}^1$

素因数の和:407177

約数の個数: 32

約数和(自身を含む): 513014040

約数和(自身を除く): 301294480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 407153, 814306, 1628612, 2035765, 3257224, 4071530, 5292989, 8143060, 10585978, 16286120, 21171956, 26464945, 42343912, 52929890, 105859780, 211719560]

約数ペア:

[(1, 211719560), (2, 105859780), (4, 52929890), (5, 42343912), (8, 26464945), (10, 21171956), (13, 16286120), (20, 10585978), (26, 8143060), (40, 5292989), (52, 4071530), (65, 3257224), (104, 2035765), (130, 1628612), (260, 814306), (520, 407153)]