213439681

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2609}}^1$

素因数の和:2689

約数の個数: 32

約数和(自身を含む): 280627200

約数和(自身を除く): 67187519

約数列:

[1, 7, 13, 29, 31, 91, 203, 217, 377, 403, 899, 2609, 2639, 2821, 6293, 11687, 18263, 33917, 75661, 80879, 81809, 237419, 529627, 566153, 983593, 1051427, 2345491, 6885151, 7359989, 16418437, 30491383, 213439681]

約数ペア:

[(1, 213439681), (7, 30491383), (13, 16418437), (29, 7359989), (31, 6885151), (91, 2345491), (203, 1051427), (217, 983593), (377, 566153), (403, 529627), (899, 237419), (2609, 81809), (2639, 80879), (2821, 75661), (6293, 33917), (11687, 18263)]