2157702928

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{133919}}^1$

素因数の和:133999

約数の個数: 40

約数和(自身を含む): 4483641600

約数和(自身を除く): 2325938672

約数列:

[1, 2, 4, 8, 16, 19, 38, 53, 76, 106, 152, 212, 304, 424, 848, 1007, 2014, 4028, 8056, 16112, 133919, 267838, 535676, 1071352, 2142704, 2544461, 5088922, 7097707, 10177844, 14195414, 20355688, 28390828, 40711376, 56781656, 113563312, 134856433, 269712866, 539425732, 1078851464, 2157702928]

約数ペア:

[(1, 2157702928), (2, 1078851464), (4, 539425732), (8, 269712866), (16, 134856433), (19, 113563312), (38, 56781656), (53, 40711376), (76, 28390828), (106, 20355688), (152, 14195414), (212, 10177844), (304, 7097707), (424, 5088922), (848, 2544461), (1007, 2142704), (2014, 1071352), (4028, 535676), (8056, 267838), (16112, 133919)]