199923581

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{853}}^1$

素因数の和:1037

約数の個数: 24

約数和(自身を含む): 238522200

約数和(自身を除く): 38598619

約数列:

[1, 11, 13, 121, 143, 149, 853, 1573, 1639, 1937, 9383, 11089, 18029, 21307, 103213, 121979, 127097, 234377, 1341769, 1398067, 1652261, 15378737, 18174871, 199923581]

約数ペア:

[(1, 199923581), (11, 18174871), (13, 15378737), (121, 1652261), (143, 1398067), (149, 1341769), (853, 234377), (1573, 127097), (1639, 121979), (1937, 103213), (9383, 21307), (11089, 18029)]