77717770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{13903}}^1$

素因数の和:13966

約数の個数: 32

約数和(自身を含む): 154167552

約数和(自身を除く): 76449782

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 13903, 27806, 69515, 139030, 180739, 361478, 597829, 903695, 1195658, 1807390, 2989145, 5978290, 7771777, 15543554, 38858885, 77717770]

約数ペア:

[(1, 77717770), (2, 38858885), (5, 15543554), (10, 7771777), (13, 5978290), (26, 2989145), (43, 1807390), (65, 1195658), (86, 903695), (130, 597829), (215, 361478), (430, 180739), (559, 139030), (1118, 69515), (2795, 27806), (5590, 13903)]