631620784

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 1312423936

約数和(自身を除く): 680803152

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 127, 148, 248, 254, 271, 296, 496, 508, 542, 592, 1016, 1084, 1147, 2032, 2168, 2294, 3937, 4336, 4588, 4699, 7874, 8401, 9176, 9398, 10027, 15748, 16802, 18352, 18796, 20054, 31496, 33604, 34417, 37592, 40108, 62992, 67208, 68834, 75184, 80216, 134416, 137668, 145669, 160432, 275336, 291338, 310837, 550672, 582676, 621674, 1066927, 1165352, 1243348, 1273429, 2133854, 2330704, 2486696, 2546858, 4267708, 4973392, 5093716, 8535416, 10187432, 17070832, 20374864, 39476299, 78952598, 157905196, 315810392, 631620784]

約数ペア:

[(1, 631620784), (2, 315810392), (4, 157905196), (8, 78952598), (16, 39476299), (31, 20374864), (37, 17070832), (62, 10187432), (74, 8535416), (124, 5093716), (127, 4973392), (148, 4267708), (248, 2546858), (254, 2486696), (271, 2330704), (296, 2133854), (496, 1273429), (508, 1243348), (542, 1165352), (592, 1066927), (1016, 621674), (1084, 582676), (1147, 550672), (2032, 310837), (2168, 291338), (2294, 275336), (3937, 160432), (4336, 145669), (4588, 137668), (4699, 134416), (7874, 80216), (8401, 75184), (9176, 68834), (9398, 67208), (10027, 62992), (15748, 40108), (16802, 37592), (18352, 34417), (18796, 33604), (20054, 31496)]