28678078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{509}}^1$

素因数の和:732

約数の個数: 32

約数和(自身を含む): 50893920

約数和(自身を除く): 22215842

約数列:

[1, 2, 11, 13, 22, 26, 143, 197, 286, 394, 509, 1018, 2167, 2561, 4334, 5122, 5599, 6617, 11198, 13234, 28171, 56342, 72787, 100273, 145574, 200546, 1103003, 1303549, 2206006, 2607098, 14339039, 28678078]

約数ペア:

[(1, 28678078), (2, 14339039), (11, 2607098), (13, 2206006), (22, 1303549), (26, 1103003), (143, 200546), (197, 145574), (286, 100273), (394, 72787), (509, 56342), (1018, 28171), (2167, 13234), (2561, 11198), (4334, 6617), (5122, 5599)]