25693681

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 32054400

約数和(自身を除く): 6360719

約数列:

[1, 13, 17, 19, 29, 211, 221, 247, 323, 377, 493, 551, 2743, 3587, 4009, 4199, 6119, 6409, 7163, 9367, 46631, 52117, 68153, 79547, 104023, 116261, 121771, 885989, 1352299, 1511393, 1976437, 25693681]

約数ペア:

[(1, 25693681), (13, 1976437), (17, 1511393), (19, 1352299), (29, 885989), (211, 121771), (221, 116261), (247, 104023), (323, 79547), (377, 68153), (493, 52117), (551, 46631), (2743, 9367), (3587, 7163), (4009, 6409), (4199, 6119)]