218880274

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{11279}}^1$

素因数の和:11625

約数の個数: 16

約数和(自身を含む): 340024320

約数和(自身を除く): 121144046

約数列:

[1, 2, 31, 62, 313, 626, 9703, 11279, 19406, 22558, 349649, 699298, 3530327, 7060654, 109440137, 218880274]

約数ペア:

[(1, 218880274), (2, 109440137), (31, 7060654), (62, 3530327), (313, 699298), (626, 349649), (9703, 22558), (11279, 19406)]