28939064

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 68428800

約数和(自身を除く): 39489736

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 109, 154, 218, 308, 431, 436, 616, 763, 862, 872, 1199, 1526, 1724, 2398, 3017, 3052, 3448, 4741, 4796, 6034, 6104, 8393, 9482, 9592, 12068, 16786, 18964, 24136, 33187, 33572, 37928, 46979, 66374, 67144, 93958, 132748, 187916, 265496, 328853, 375832, 516769, 657706, 1033538, 1315412, 2067076, 2630824, 3617383, 4134152, 7234766, 14469532, 28939064]

約数ペア:

[(1, 28939064), (2, 14469532), (4, 7234766), (7, 4134152), (8, 3617383), (11, 2630824), (14, 2067076), (22, 1315412), (28, 1033538), (44, 657706), (56, 516769), (77, 375832), (88, 328853), (109, 265496), (154, 187916), (218, 132748), (308, 93958), (431, 67144), (436, 66374), (616, 46979), (763, 37928), (862, 33572), (872, 33187), (1199, 24136), (1526, 18964), (1724, 16786), (2398, 12068), (3017, 9592), (3052, 9482), (3448, 8393), (4741, 6104), (4796, 6034)]