12813515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17921}}^1$

素因数の和:17950

約数の個数: 16

約数和(自身を含む): 18065376

約数和(自身を除く): 5251861

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 17921, 89605, 197131, 232973, 985655, 1164865, 2562703, 12813515]

約数ペア:

[(1, 12813515), (5, 2562703), (11, 1164865), (13, 985655), (55, 232973), (65, 197131), (143, 89605), (715, 17921)]