15878902

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:568

約数の個数: 24

約数和(自身を含む): 26088480

約数和(自身を除く): 10209578

約数列:

[1, 2, 13, 26, 109, 169, 218, 338, 431, 862, 1417, 2834, 5603, 11206, 18421, 36842, 46979, 72839, 93958, 145678, 610727, 1221454, 7939451, 15878902]

約数ペア:

[(1, 15878902), (2, 7939451), (13, 1221454), (26, 610727), (109, 145678), (169, 93958), (218, 72839), (338, 46979), (431, 36842), (862, 18421), (1417, 11206), (2834, 5603)]