65680979

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42457}}^1$

素因数の和:42494

約数の個数: 16

約数和(自身を含む): 85595328

約数和(自身を除く): 19914349

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 42457, 297199, 551941, 721769, 3863587, 5052383, 9382997, 65680979]

約数ペア:

[(1, 65680979), (7, 9382997), (13, 5052383), (17, 3863587), (91, 721769), (119, 551941), (221, 297199), (1547, 42457)]