640568136

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{157931}}^1$

素因数の和:157966

約数の個数: 48

約数和(自身を含む): 1734093360

約数和(自身を除く): 1093525224

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 507, 676, 1014, 1352, 2028, 4056, 157931, 315862, 473793, 631724, 947586, 1263448, 1895172, 2053103, 3790344, 4106206, 6159309, 8212412, 12318618, 16424824, 24637236, 26690339, 49274472, 53380678, 80071017, 106761356, 160142034, 213522712, 320284068, 640568136]

約数ペア:

[(1, 640568136), (2, 320284068), (3, 213522712), (4, 160142034), (6, 106761356), (8, 80071017), (12, 53380678), (13, 49274472), (24, 26690339), (26, 24637236), (39, 16424824), (52, 12318618), (78, 8212412), (104, 6159309), (156, 4106206), (169, 3790344), (312, 2053103), (338, 1895172), (507, 1263448), (676, 947586), (1014, 631724), (1352, 473793), (2028, 315862), (4056, 157931)]