127591568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{613421}}^1$

素因数の和:613442

約数の個数: 20

約数和(自身を含む): 266225148

約数和(自身を除く): 138633580

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 613421, 1226842, 2453684, 4907368, 7974473, 9814736, 15948946, 31897892, 63795784, 127591568]

約数ペア:

[(1, 127591568), (2, 63795784), (4, 31897892), (8, 15948946), (13, 9814736), (16, 7974473), (26, 4907368), (52, 2453684), (104, 1226842), (208, 613421)]