87681412

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{240883}}^1$

素因数の和:240907

約数の個数: 24

約数和(自身を含む): 188853056

約数和(自身を除く): 101171644

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 240883, 481766, 963532, 1686181, 3131479, 3372362, 6262958, 6744724, 12525916, 21920353, 43840706, 87681412]

約数ペア:

[(1, 87681412), (2, 43840706), (4, 21920353), (7, 12525916), (13, 6744724), (14, 6262958), (26, 3372362), (28, 3131479), (52, 1686181), (91, 963532), (182, 481766), (364, 240883)]