780427882

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1\times {\mathrm{743}}^1$

素因数の和:1398

約数の個数: 32

約数和(自身を含む): 1282417920

約数和(自身を除く): 501990038

約数列:

[1, 2, 13, 26, 71, 142, 569, 743, 923, 1138, 1486, 1846, 7397, 9659, 14794, 19318, 40399, 52753, 80798, 105506, 422767, 525187, 685789, 845534, 1050374, 1371578, 5495971, 10991942, 30016457, 60032914, 390213941, 780427882]

約数ペア:

[(1, 780427882), (2, 390213941), (13, 60032914), (26, 30016457), (71, 10991942), (142, 5495971), (569, 1371578), (743, 1050374), (923, 845534), (1138, 685789), (1486, 525187), (1846, 422767), (7397, 105506), (9659, 80798), (14794, 52753), (19318, 40399)]