78164554

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{27581}}^1$

素因数の和:27705

約数の個数: 16

約数和(自身を含む): 127428840

約数和(自身を除く): 49264286

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 27581, 55162, 358553, 717106, 3006329, 6012658, 39082277, 78164554]

約数ペア:

[(1, 78164554), (2, 39082277), (13, 6012658), (26, 3006329), (109, 717106), (218, 358553), (1417, 55162), (2834, 27581)]