208033973

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{2309}}^1$

素因数の和:2588

約数の個数: 16

約数和(自身を含む): 242901120

約数和(自身を除く): 34867147

約数列:

[1, 7, 61, 211, 427, 1477, 2309, 12871, 16163, 90097, 140849, 487199, 985943, 3410393, 29719139, 208033973]

約数ペア:

[(1, 208033973), (7, 29719139), (61, 3410393), (211, 985943), (427, 487199), (1477, 140849), (2309, 90097), (12871, 16163)]