247439738

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{9781}}^1$

素因数の和:9942

約数の個数: 32

約数和(自身を含む): 460145280

約数和(自身を除く): 212705542

約数列:

[1, 2, 7, 13, 14, 26, 91, 139, 182, 278, 973, 1807, 1946, 3614, 9781, 12649, 19562, 25298, 68467, 127153, 136934, 254306, 890071, 1359559, 1780142, 2719118, 9516913, 17674267, 19033826, 35348534, 123719869, 247439738]

約数ペア:

[(1, 247439738), (2, 123719869), (7, 35348534), (13, 19033826), (14, 17674267), (26, 9516913), (91, 2719118), (139, 1780142), (182, 1359559), (278, 890071), (973, 254306), (1807, 136934), (1946, 127153), (3614, 68467), (9781, 25298), (12649, 19562)]