2138279

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:830

約数の個数: 16

約数和(自身を含む): 2647680

約数和(自身を除く): 509401

約数列:

[1, 11, 13, 19, 143, 209, 247, 787, 2717, 8657, 10231, 14953, 112541, 164483, 194389, 2138279]

約数ペア:

[(1, 2138279), (11, 194389), (13, 164483), (19, 112541), (143, 14953), (209, 10231), (247, 8657), (787, 2717)]