217376309

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{521}}^1$

素因数の和:908

約数の個数: 16

約数和(自身を含む): 230782464

約数和(自身を除く): 13406155

約数列:

[1, 31, 43, 313, 521, 1333, 9703, 13459, 16151, 22403, 163073, 417229, 694493, 5055263, 7012139, 217376309]

約数ペア:

[(1, 217376309), (31, 7012139), (43, 5055263), (313, 694493), (521, 417229), (1333, 163073), (9703, 22403), (13459, 16151)]