71682728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{689257}}^1$

素因数の和:689276

約数の個数: 16

約数和(自身を含む): 144744180

約数和(自身を除く): 73061452

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 689257, 1378514, 2757028, 5514056, 8960341, 17920682, 35841364, 71682728]

約数ペア:

[(1, 71682728), (2, 35841364), (4, 17920682), (8, 8960341), (13, 5514056), (26, 2757028), (52, 1378514), (104, 689257)]