71223568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{342421}}^1$

素因数の和:342442

約数の個数: 20

約数和(自身を含む): 148611148

約数和(自身を除く): 77387580

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 342421, 684842, 1369684, 2739368, 4451473, 5478736, 8902946, 17805892, 35611784, 71223568]

約数ペア:

[(1, 71223568), (2, 35611784), (4, 17805892), (8, 8902946), (13, 5478736), (16, 4451473), (26, 2739368), (52, 1369684), (104, 684842), (208, 342421)]