129406501

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 156029976

約数和(自身を除く): 26623475

約数列:

[1, 7, 37, 49, 137, 259, 521, 959, 1813, 3647, 5069, 6713, 19277, 25529, 35483, 71377, 134939, 248381, 499639, 944573, 2640949, 3497473, 18486643, 129406501]

約数ペア:

[(1, 129406501), (7, 18486643), (37, 3497473), (49, 2640949), (137, 944573), (259, 499639), (521, 248381), (959, 134939), (1813, 71377), (3647, 35483), (5069, 25529), (6713, 19277)]