25120000156

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{647}}^1\times {\mathrm{570961}}^1$

素因数の和:571629

約数の個数: 24

約数和(自身を含む): 46617905376

約数和(自身を除く): 21497905220

約数列:

[1, 2, 4, 17, 34, 68, 647, 1294, 2588, 10999, 21998, 43996, 570961, 1141922, 2283844, 9706337, 19412674, 38825348, 369411767, 738823534, 1477647068, 6280000039, 12560000078, 25120000156]

約数ペア:

[(1, 25120000156), (2, 12560000078), (4, 6280000039), (17, 1477647068), (34, 738823534), (68, 369411767), (647, 38825348), (1294, 19412674), (2588, 9706337), (10999, 2283844), (21998, 1141922), (43996, 570961)]