71398288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{343261}}^1$

素因数の和:343282

約数の個数: 20

約数和(自身を含む): 148975708

約数和(自身を除く): 77577420

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 343261, 686522, 1373044, 2746088, 4462393, 5492176, 8924786, 17849572, 35699144, 71398288]

約数ペア:

[(1, 71398288), (2, 35699144), (4, 17849572), (8, 8924786), (13, 5492176), (16, 4462393), (26, 2746088), (52, 1373044), (104, 686522), (208, 343261)]