68907265

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1549}}^1$

素因数の和:1633

約数の個数: 32

約数和(自身を含む): 99993600

約数和(自身を除く): 31086335

約数列:

[1, 5, 7, 31, 35, 41, 155, 205, 217, 287, 1085, 1271, 1435, 1549, 6355, 7745, 8897, 10843, 44485, 48019, 54215, 63509, 240095, 317545, 336133, 444563, 1680665, 1968779, 2222815, 9843895, 13781453, 68907265]

約数ペア:

[(1, 68907265), (5, 13781453), (7, 9843895), (31, 2222815), (35, 1968779), (41, 1680665), (155, 444563), (205, 336133), (217, 317545), (287, 240095), (1085, 63509), (1271, 54215), (1435, 48019), (1549, 44485), (6355, 10843), (7745, 8897)]