28812365

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7883}}^1$

素因数の和:7948

約数の個数: 16

約数和(自身を含む): 37464768

約数和(自身を除く): 8652403

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 7883, 39415, 134011, 338969, 670055, 1694845, 5762473, 28812365]

約数ペア:

[(1, 28812365), (5, 5762473), (17, 1694845), (43, 670055), (85, 338969), (215, 134011), (731, 39415), (3655, 7883)]