209948492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{130241}}^1$

素因数の和:130289

約数の個数: 24

約数和(自身を含む): 408438912

約数和(自身を除く): 198490420

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 130241, 260482, 520964, 1693133, 3386266, 4037471, 6772532, 8074942, 16149884, 52487123, 104974246, 209948492]

約数ペア:

[(1, 209948492), (2, 104974246), (4, 52487123), (13, 16149884), (26, 8074942), (31, 6772532), (52, 4037471), (62, 3386266), (124, 1693133), (403, 520964), (806, 260482), (1612, 130241)]