1221640279

素因数分解:

${\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{443}}^1\times {\mathrm{521}}^1$

素因数の和:1110

約数の個数: 16

約数和(自身を含む): 1260817920

約数和(自身を除く): 39177641

約数列:

[1, 67, 79, 443, 521, 5293, 29681, 34907, 34997, 41159, 230803, 2344799, 2757653, 15463801, 18233437, 1221640279]

約数ペア:

[(1, 1221640279), (67, 18233437), (79, 15463801), (443, 2757653), (521, 2344799), (5293, 230803), (29681, 41159), (34907, 34997)]