2499805

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 3852288

約数和(自身を除く): 1352483

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 151, 215, 301, 385, 473, 755, 1057, 1505, 1661, 2365, 3311, 5285, 6493, 8305, 11627, 16555, 32465, 45451, 58135, 71423, 227255, 357115, 499961, 2499805]

約数ペア:

[(1, 2499805), (5, 499961), (7, 357115), (11, 227255), (35, 71423), (43, 58135), (55, 45451), (77, 32465), (151, 16555), (215, 11627), (301, 8305), (385, 6493), (473, 5285), (755, 3311), (1057, 2365), (1505, 1661)]