989702948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{56477}}^1$

素因数の和:56831

約数の個数: 24

約数和(自身を含む): 1870777272

約数和(自身を除く): 881074324

約数列:

[1, 2, 4, 13, 26, 52, 337, 674, 1348, 4381, 8762, 17524, 56477, 112954, 225908, 734201, 1468402, 2936804, 19032749, 38065498, 76130996, 247425737, 494851474, 989702948]

約数ペア:

[(1, 989702948), (2, 494851474), (4, 247425737), (13, 76130996), (26, 38065498), (52, 19032749), (337, 2936804), (674, 1468402), (1348, 734201), (4381, 225908), (8762, 112954), (17524, 56477)]