72016218

素因数分解:

$2^1\times 3^2\times {\mathrm{4000901}}^1$

素因数の和:4000909

約数の個数: 12

約数和(自身を含む): 156035178

約数和(自身を除く): 84018960

約数列:

[1, 2, 3, 6, 9, 18, 4000901, 8001802, 12002703, 24005406, 36008109, 72016218]

約数ペア:

[(1, 72016218), (2, 36008109), (3, 24005406), (6, 12002703), (9, 8001802), (18, 4000901)]