87321278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{21929}}^1$

素因数の和:22123

約数の個数: 16

約数和(自身を含む): 143685360

約数和(自身を除く): 56364082

約数列:

[1, 2, 11, 22, 181, 362, 1991, 3982, 21929, 43858, 241219, 482438, 3969149, 7938298, 43660639, 87321278]

約数ペア:

[(1, 87321278), (2, 43660639), (11, 7938298), (22, 3969149), (181, 482438), (362, 241219), (1991, 43858), (3982, 21929)]