291218876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{130241}}^1$

素因数の和:130301

約数の個数: 24

約数和(自身を含む): 561603504

約数和(自身を除く): 270384628

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 130241, 260482, 520964, 1693133, 3386266, 5600363, 6772532, 11200726, 22401452, 72804719, 145609438, 291218876]

約数ペア:

[(1, 291218876), (2, 145609438), (4, 72804719), (13, 22401452), (26, 11200726), (43, 6772532), (52, 5600363), (86, 3386266), (172, 1693133), (559, 520964), (1118, 260482), (2236, 130241)]