2189512585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1\times {\mathrm{821}}^1$

素因数の和:1389

約数の個数: 32

約数和(自身を含む): 2871015840

約数和(自身を除く): 681503255

約数列:

[1, 5, 13, 65, 89, 445, 461, 821, 1157, 2305, 4105, 5785, 5993, 10673, 29965, 41029, 53365, 73069, 205145, 365345, 378481, 533377, 949897, 1892405, 2666885, 4749485, 4920253, 24601265, 33684809, 168424045, 437902517, 2189512585]

約数ペア:

[(1, 2189512585), (5, 437902517), (13, 168424045), (65, 33684809), (89, 24601265), (445, 4920253), (461, 4749485), (821, 2666885), (1157, 1892405), (2305, 949897), (4105, 533377), (5785, 378481), (5993, 365345), (10673, 205145), (29965, 73069), (41029, 53365)]