131205412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{79}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 270166400

約数和(自身を除く): 138960988

約数列:

[1, 2, 4, 13, 19, 26, 38, 41, 52, 76, 79, 82, 158, 164, 247, 316, 494, 533, 779, 988, 1027, 1066, 1501, 1558, 1681, 2054, 2132, 3002, 3116, 3239, 3362, 4108, 6004, 6478, 6724, 10127, 12956, 19513, 20254, 21853, 31939, 39026, 40508, 42107, 43706, 61541, 63878, 78052, 84214, 87412, 123082, 127756, 132799, 168428, 246164, 265598, 415207, 531196, 800033, 830414, 1600066, 1660828, 1726387, 2523181, 3200132, 3452774, 5046362, 6905548, 10092724, 32801353, 65602706, 131205412]

約数ペア:

[(1, 131205412), (2, 65602706), (4, 32801353), (13, 10092724), (19, 6905548), (26, 5046362), (38, 3452774), (41, 3200132), (52, 2523181), (76, 1726387), (79, 1660828), (82, 1600066), (158, 830414), (164, 800033), (247, 531196), (316, 415207), (494, 265598), (533, 246164), (779, 168428), (988, 132799), (1027, 127756), (1066, 123082), (1501, 87412), (1558, 84214), (1681, 78052), (2054, 63878), (2132, 61541), (3002, 43706), (3116, 42107), (3239, 40508), (3362, 39026), (4108, 31939), (6004, 21853), (6478, 20254), (6724, 19513), (10127, 12956)]