77911988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1931}}^1$

素因数の和:2084

約数の個数: 48

約数和(自身を含む): 171376128

約数和(自身を除く): 93464140

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 131, 154, 262, 308, 524, 917, 1441, 1834, 1931, 2882, 3668, 3862, 5764, 7724, 10087, 13517, 20174, 21241, 27034, 40348, 42482, 54068, 84964, 148687, 252961, 297374, 505922, 594748, 1011844, 1770727, 2782571, 3541454, 5565142, 7082908, 11130284, 19477997, 38955994, 77911988]

約数ペア:

[(1, 77911988), (2, 38955994), (4, 19477997), (7, 11130284), (11, 7082908), (14, 5565142), (22, 3541454), (28, 2782571), (44, 1770727), (77, 1011844), (131, 594748), (154, 505922), (262, 297374), (308, 252961), (524, 148687), (917, 84964), (1441, 54068), (1834, 42482), (1931, 40348), (2882, 27034), (3668, 21241), (3862, 20174), (5764, 13517), (7724, 10087)]