28385519

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{42557}}^1$

素因数の和:42609

約数の個数: 8

約数和(自身を含む): 30641760

約数和(自身を除く): 2256241

約数列:

[1, 23, 29, 667, 42557, 978811, 1234153, 28385519]

約数ペア:

[(1, 28385519), (23, 1234153), (29, 978811), (667, 42557)]