28890967

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{577}}^1$

素因数の和:918

約数の個数: 16

約数和(自身を含む): 34624512

約数和(自身を除く): 5733545

約数列:

[1, 7, 23, 161, 311, 577, 2177, 4039, 7153, 13271, 50071, 92897, 179447, 1256129, 4127281, 28890967]

約数ペア:

[(1, 28890967), (7, 4127281), (23, 1256129), (161, 179447), (311, 92897), (577, 50071), (2177, 13271), (4039, 7153)]