420706

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1471}}^1$

素因数の和:1497

約数の個数: 16

約数和(自身を含む): 741888

約数和(自身を除く): 321182

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 1471, 2942, 16181, 19123, 32362, 38246, 210353, 420706]

約数ペア:

[(1, 420706), (2, 210353), (11, 38246), (13, 32362), (22, 19123), (26, 16181), (143, 2942), (286, 1471)]