28087081345

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{521}}^1\times {\mathrm{839}}^1$

素因数の和:1617

約数の個数: 32

約数和(自身を含む): 34475051520

約数和(自身を除く): 6387970175

約数列:

[1, 5, 71, 181, 355, 521, 839, 905, 2605, 4195, 12851, 36991, 59569, 64255, 94301, 151859, 184955, 297845, 437119, 471505, 759295, 2185595, 6695371, 10781989, 31035449, 33476855, 53909945, 79118539, 155177245, 395592695, 5617416269, 28087081345]

約数ペア:

[(1, 28087081345), (5, 5617416269), (71, 395592695), (181, 155177245), (355, 79118539), (521, 53909945), (839, 33476855), (905, 31035449), (2605, 10781989), (4195, 6695371), (12851, 2185595), (36991, 759295), (59569, 471505), (64255, 437119), (94301, 297845), (151859, 184955)]