71531408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{343901}}^1$

素因数の和:343922

約数の個数: 20

約数和(自身を含む): 149253468

約数和(自身を除く): 77722060

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 343901, 687802, 1375604, 2751208, 4470713, 5502416, 8941426, 17882852, 35765704, 71531408]

約数ペア:

[(1, 71531408), (2, 35765704), (4, 17882852), (8, 8941426), (13, 5502416), (16, 4470713), (26, 2751208), (52, 1375604), (104, 687802), (208, 343901)]