672949264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 1436408064

約数和(自身を除く): 763458800

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 103, 104, 202, 206, 208, 311, 404, 412, 622, 808, 824, 1244, 1313, 1339, 1616, 1648, 2488, 2626, 2678, 4043, 4976, 5252, 5356, 8086, 10403, 10504, 10712, 16172, 20806, 21008, 21424, 31411, 32033, 32344, 41612, 62822, 64066, 64688, 83224, 125644, 128132, 135239, 166448, 251288, 256264, 270478, 408343, 416429, 502576, 512528, 540956, 816686, 832858, 1081912, 1633372, 1665716, 2163824, 3235333, 3266744, 3331432, 6470666, 6533488, 6662864, 12941332, 25882664, 42059329, 51765328, 84118658, 168237316, 336474632, 672949264]

約数ペア:

[(1, 672949264), (2, 336474632), (4, 168237316), (8, 84118658), (13, 51765328), (16, 42059329), (26, 25882664), (52, 12941332), (101, 6662864), (103, 6533488), (104, 6470666), (202, 3331432), (206, 3266744), (208, 3235333), (311, 2163824), (404, 1665716), (412, 1633372), (622, 1081912), (808, 832858), (824, 816686), (1244, 540956), (1313, 512528), (1339, 502576), (1616, 416429), (1648, 408343), (2488, 270478), (2626, 256264), (2678, 251288), (4043, 166448), (4976, 135239), (5252, 128132), (5356, 125644), (8086, 83224), (10403, 64688), (10504, 64066), (10712, 62822), (16172, 41612), (20806, 32344), (21008, 32033), (21424, 31411)]