219954955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{947}}^1$

素因数の和:1107

約数の個数: 32

約数和(自身を含む): 298142208

約数和(自身を除く): 78187253

約数列:

[1, 5, 11, 41, 55, 103, 205, 451, 515, 947, 1133, 2255, 4223, 4735, 5665, 10417, 21115, 38827, 46453, 52085, 97541, 194135, 232265, 427097, 487705, 1072951, 2135485, 3999181, 5364755, 19995905, 43990991, 219954955]

約数ペア:

[(1, 219954955), (5, 43990991), (11, 19995905), (41, 5364755), (55, 3999181), (103, 2135485), (205, 1072951), (451, 487705), (515, 427097), (947, 232265), (1133, 194135), (2255, 97541), (4223, 52085), (4735, 46453), (5665, 38827), (10417, 21115)]