816176855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1\times {\mathrm{617}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 1081430784

約数和(自身を除く): 265253929

約数列:

[1, 5, 13, 47, 65, 235, 433, 611, 617, 2165, 3055, 3085, 5629, 8021, 20351, 28145, 28999, 40105, 101755, 144995, 264563, 267161, 376987, 1322815, 1335805, 1884935, 3473093, 12556567, 17365465, 62782835, 163235371, 816176855]

約数ペア:

[(1, 816176855), (5, 163235371), (13, 62782835), (47, 17365465), (65, 12556567), (235, 3473093), (433, 1884935), (611, 1335805), (617, 1322815), (2165, 376987), (3055, 267161), (3085, 264563), (5629, 144995), (8021, 101755), (20351, 40105), (28145, 28999)]