664777732

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{19661}}^1$

素因数の和:19851

約数の個数: 24

約数和(自身を含む): 1189157760

約数和(自身を除く): 524380028

約数列:

[1, 2, 4, 79, 107, 158, 214, 316, 428, 8453, 16906, 19661, 33812, 39322, 78644, 1553219, 2103727, 3106438, 4207454, 6212876, 8414908, 166194433, 332388866, 664777732]

約数ペア:

[(1, 664777732), (2, 332388866), (4, 166194433), (79, 8414908), (107, 6212876), (158, 4207454), (214, 3106438), (316, 2103727), (428, 1553219), (8453, 78644), (16906, 39322), (19661, 33812)]