28009163

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{1321}}^1$

素因数の和:1574

約数の個数: 16

約数和(自身を含む): 34646976

約数和(自身を除く): 6637813

約数列:

[1, 7, 13, 91, 233, 1321, 1631, 3029, 9247, 17173, 21203, 120211, 307793, 2154551, 4001309, 28009163]

約数ペア:

[(1, 28009163), (7, 4001309), (13, 2154551), (91, 307793), (233, 120211), (1321, 21203), (1631, 17173), (3029, 9247)]