81565836

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{643}}^1$

素因数の和:723

約数の個数: 72

約数和(自身を含む): 214869312

約数和(自身を除く): 133303476

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 124, 132, 186, 341, 372, 643, 682, 961, 1023, 1286, 1364, 1922, 1929, 2046, 2572, 2883, 3844, 3858, 4092, 5766, 7073, 7716, 10571, 11532, 14146, 19933, 21142, 21219, 28292, 31713, 39866, 42284, 42438, 59799, 63426, 79732, 84876, 119598, 126852, 219263, 239196, 438526, 617923, 657789, 877052, 1235846, 1315578, 1853769, 2471692, 2631156, 3707538, 6797153, 7415076, 13594306, 20391459, 27188612, 40782918, 81565836]

約数ペア:

[(1, 81565836), (2, 40782918), (3, 27188612), (4, 20391459), (6, 13594306), (11, 7415076), (12, 6797153), (22, 3707538), (31, 2631156), (33, 2471692), (44, 1853769), (62, 1315578), (66, 1235846), (93, 877052), (124, 657789), (132, 617923), (186, 438526), (341, 239196), (372, 219263), (643, 126852), (682, 119598), (961, 84876), (1023, 79732), (1286, 63426), (1364, 59799), (1922, 42438), (1929, 42284), (2046, 39866), (2572, 31713), (2883, 28292), (3844, 21219), (3858, 21142), (4092, 19933), (5766, 14146), (7073, 11532), (7716, 10571)]