81556938

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:851

約数の個数: 48

約数和(自身を含む): 181958400

約数和(自身を除く): 100401462

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 149, 282, 298, 423, 447, 647, 846, 894, 1294, 1341, 1941, 2682, 3882, 5823, 7003, 11646, 14006, 21009, 30409, 42018, 60818, 63027, 91227, 96403, 126054, 182454, 192806, 273681, 289209, 547362, 578418, 867627, 1735254, 4530941, 9061882, 13592823, 27185646, 40778469, 81556938]

約数ペア:

[(1, 81556938), (2, 40778469), (3, 27185646), (6, 13592823), (9, 9061882), (18, 4530941), (47, 1735254), (94, 867627), (141, 578418), (149, 547362), (282, 289209), (298, 273681), (423, 192806), (447, 182454), (647, 126054), (846, 96403), (894, 91227), (1294, 63027), (1341, 60818), (1941, 42018), (2682, 30409), (3882, 21009), (5823, 14006), (7003, 11646)]