201990512878

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28549}}^1\times {\mathrm{45943}}^1$

素因数の和:74512

約数の個数: 32

約数和(自身を含む): 377769945600

約数和(自身を除く): 175779432722

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 28549, 45943, 57098, 91886, 199843, 314039, 321601, 399686, 505373, 628078, 643202, 1010746, 2198273, 3537611, 4396546, 7075222, 1311626707, 2623253414, 9181386949, 14427893777, 18362773898, 28855787554, 100995256439, 201990512878]

約数ペア:

[(1, 201990512878), (2, 100995256439), (7, 28855787554), (11, 18362773898), (14, 14427893777), (22, 9181386949), (77, 2623253414), (154, 1311626707), (28549, 7075222), (45943, 4396546), (57098, 3537611), (91886, 2198273), (199843, 1010746), (314039, 643202), (321601, 628078), (399686, 505373)]