128017868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{11321}}^1$

素因数の和:11593

約数の個数: 24

約数和(自身を含む): 245370384

約数和(自身を除く): 117352516

約数列:

[1, 2, 4, 11, 22, 44, 257, 514, 1028, 2827, 5654, 11308, 11321, 22642, 45284, 124531, 249062, 498124, 2909497, 5818994, 11637988, 32004467, 64008934, 128017868]

約数ペア:

[(1, 128017868), (2, 64008934), (4, 32004467), (11, 11637988), (22, 5818994), (44, 2909497), (257, 498124), (514, 249062), (1028, 124531), (2827, 45284), (5654, 22642), (11308, 11321)]