71711255

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 114624720

約数和(自身を除く): 42913465

約数列:

[1, 5, 7, 11, 35, 41, 49, 55, 59, 77, 121, 205, 245, 287, 295, 385, 413, 451, 539, 605, 649, 847, 1435, 2009, 2065, 2255, 2419, 2695, 2891, 3157, 3245, 4235, 4543, 4961, 5929, 7139, 10045, 12095, 14455, 15785, 16933, 22099, 22715, 24805, 26609, 29645, 31801, 34727, 35695, 49973, 84665, 110495, 118531, 133045, 159005, 173635, 186263, 243089, 249865, 292699, 349811, 592655, 931315, 1215445, 1303841, 1463495, 1749055, 2048893, 6519205, 10244465, 14342251, 71711255]

約数ペア:

[(1, 71711255), (5, 14342251), (7, 10244465), (11, 6519205), (35, 2048893), (41, 1749055), (49, 1463495), (55, 1303841), (59, 1215445), (77, 931315), (121, 592655), (205, 349811), (245, 292699), (287, 249865), (295, 243089), (385, 186263), (413, 173635), (451, 159005), (539, 133045), (605, 118531), (649, 110495), (847, 84665), (1435, 49973), (2009, 35695), (2065, 34727), (2255, 31801), (2419, 29645), (2695, 26609), (2891, 24805), (3157, 22715), (3245, 22099), (4235, 16933), (4543, 15785), (4961, 14455), (5929, 12095), (7139, 10045)]