71287315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 96852672

約数和(自身を除く): 25565357

約数列:

[1, 5, 11, 41, 55, 101, 205, 313, 451, 505, 1111, 1565, 2255, 3443, 4141, 5555, 12833, 17215, 20705, 31613, 45551, 64165, 141163, 158065, 227755, 347743, 705815, 1296133, 1738715, 6480665, 14257463, 71287315]

約数ペア:

[(1, 71287315), (5, 14257463), (11, 6480665), (41, 1738715), (55, 1296133), (101, 705815), (205, 347743), (313, 227755), (451, 158065), (505, 141163), (1111, 64165), (1565, 45551), (2255, 31613), (3443, 20705), (4141, 17215), (5555, 12833)]