257964486

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{54217}}^1$

素因数の和:54296

約数の個数: 32

約数和(自身を含む): 564734688

約数和(自身を除く): 306770202

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 122, 183, 366, 793, 1586, 2379, 4758, 54217, 108434, 162651, 325302, 704821, 1409642, 2114463, 3307237, 4228926, 6614474, 9921711, 19843422, 42994081, 85988162, 128982243, 257964486]

約数ペア:

[(1, 257964486), (2, 128982243), (3, 85988162), (6, 42994081), (13, 19843422), (26, 9921711), (39, 6614474), (61, 4228926), (78, 3307237), (122, 2114463), (183, 1409642), (366, 704821), (793, 325302), (1586, 162651), (2379, 108434), (4758, 54217)]