71860828

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{106303}}^1$

素因数の和:106333

約数の個数: 18

約数和(自身を含む): 136175424

約数和(自身を除く): 64314596

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 106303, 212606, 425212, 1381939, 2763878, 5527756, 17965207, 35930414, 71860828]

約数ペア:

[(1, 71860828), (2, 35930414), (4, 17965207), (13, 5527756), (26, 2763878), (52, 1381939), (169, 425212), (338, 212606), (676, 106303)]