2181749401

素因数分解:

${\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{653}}^1\times {\mathrm{1637}}^1$

素因数の和:2460

約数の個数: 16

約数和(自身を含む): 2369609424

約数和(自身を除く): 187860023

約数列:

[1, 13, 157, 653, 1637, 2041, 8489, 21281, 102521, 257009, 1068961, 1332773, 3341117, 13896493, 167826877, 2181749401]

約数ペア:

[(1, 2181749401), (13, 167826877), (157, 13896493), (653, 3341117), (1637, 1332773), (2041, 1068961), (8489, 257009), (21281, 102521)]